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Finding the Fourth Proportional to 93,937.38, 129,641.76 and 51,504

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Solution

The fourth proportional to 93,937.38, 129,641.76 and 51,504 is: 71,080.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,937.38 : 129,641.76 = 51,504 : x
  2. Step 2: Convert to fraction form
    93,937.38/129,641.76 = 51,504/x
  3. Step 3: Cross multiply
    93,937.38x = 129,641.76 × 51,504
  4. Step 4: Simplify right side
    93,937.38x = 6,677,069,207.04
  5. Step 5: Solve for x
    x = 6,677,069,207.04/93,937.38
  6. Step 6: Final answer
    x = 71,080.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.