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Finding the Fourth Proportional to 141,636.60, 212,454.90 and 96,730.20

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Solution

The fourth proportional to 141,636.60, 212,454.90 and 96,730.20 is: 145,095.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,636.60 : 212,454.90 = 96,730.20 : x
  2. Step 2: Convert to fraction form
    141,636.60/212,454.90 = 96,730.20/x
  3. Step 3: Cross multiply
    141,636.60x = 212,454.90 × 96,730.20
  4. Step 4: Simplify right side
    141,636.60x = 20,550,804,967.98
  5. Step 5: Solve for x
    x = 20,550,804,967.98/141,636.60
  6. Step 6: Final answer
    x = 145,095.30

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1.5x scale

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.