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Finding the Fourth Proportional to 155,003.80, 232,505.70 and 61,461.40

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Solution

The fourth proportional to 155,003.80, 232,505.70 and 61,461.40 is: 92,192.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,003.80 : 232,505.70 = 61,461.40 : x
  2. Step 2: Convert to fraction form
    155,003.80/232,505.70 = 61,461.40/x
  3. Step 3: Cross multiply
    155,003.80x = 232,505.70 × 61,461.40
  4. Step 4: Simplify right side
    155,003.80x = 14,290,125,829.98
  5. Step 5: Solve for x
    x = 14,290,125,829.98/155,003.80
  6. Step 6: Final answer
    x = 92,192.10

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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.