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Finding the Fourth Proportional to 261,575.84, 361,084.35 and 176,807.72

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Solution

The fourth proportional to 261,575.84, 361,084.35 and 176,807.72 is: 244,068.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,575.84 : 361,084.35 = 176,807.72 : x
  2. Step 2: Convert to fraction form
    261,575.84/361,084.35 = 176,807.72/x
  3. Step 3: Cross multiply
    261,575.84x = 361,084.35 × 176,807.72
  4. Step 4: Simplify right side
    261,575.84x = 63,842,498,845.76
  5. Step 5: Solve for x
    x = 63,842,498,845.76/261,575.84
  6. Step 6: Final answer
    x = 244,068.79

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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.