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Finding the Fourth Proportional to 93,762.38, 129,393.29 and 51,320.00

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Solution

The fourth proportional to 93,762.38, 129,393.29 and 51,320.00 is: 70,822.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,762.38 : 129,393.29 = 51,320.00 : x
  2. Step 2: Convert to fraction form
    93,762.38/129,393.29 = 51,320.00/x
  3. Step 3: Cross multiply
    93,762.38x = 129,393.29 × 51,320.00
  4. Step 4: Simplify right side
    93,762.38x = 6,640,463,124.13
  5. Step 5: Solve for x
    x = 6,640,463,124.13/93,762.38
  6. Step 6: Final answer
    x = 70,822.26

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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.