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Finding the Fourth Proportional to 191,700,485.60, 287,550,728.40 and 114,984,024.80

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Solution

The fourth proportional to 191,700,485.60, 287,550,728.40 and 114,984,024.80 is: 172,476,037.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,700,485.60 : 287,550,728.40 = 114,984,024.80 : x
  2. Step 2: Convert to fraction form
    191,700,485.60/287,550,728.40 = 114,984,024.80/x
  3. Step 3: Cross multiply
    191,700,485.60x = 287,550,728.40 × 114,984,024.80
  4. Step 4: Simplify right side
    191,700,485.60x = 33,063,740,085,603,660
  5. Step 5: Solve for x
    x = 33,063,740,085,603,660/191,700,485.60
  6. Step 6: Final answer
    x = 172,476,037.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.