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Finding the Fourth Proportional to 261,597.40, 361,114.10 and 176,829.28

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Solution

The fourth proportional to 261,597.40, 361,114.10 and 176,829.28 is: 244,098.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,597.40 : 361,114.10 = 176,829.28 : x
  2. Step 2: Convert to fraction form
    261,597.40/361,114.10 = 176,829.28/x
  3. Step 3: Cross multiply
    261,597.40x = 361,114.10 × 176,829.28
  4. Step 4: Simplify right side
    261,597.40x = 63,855,545,177.03
  5. Step 5: Solve for x
    x = 63,855,545,177.03/261,597.40
  6. Step 6: Final answer
    x = 244,098.55

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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.