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Finding the Fourth Proportional to 373,957.10, 560,938.85 and 124,639.10

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Solution

The fourth proportional to 373,957.10, 560,938.85 and 124,639.10 is: 186,959.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,957.10 : 560,938.85 = 124,639.10 : x
  2. Step 2: Convert to fraction form
    373,957.10/560,938.85 = 124,639.10/x
  3. Step 3: Cross multiply
    373,957.10x = 560,938.85 × 124,639.10
  4. Step 4: Simplify right side
    373,957.10x = 69,914,913,419.04
  5. Step 5: Solve for x
    x = 69,914,913,419.04/373,957.10
  6. Step 6: Final answer
    x = 186,959.72

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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.