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Finding the Fourth Proportional to 261,349.62, 360,772.56 and 176,581.50

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Solution

The fourth proportional to 261,349.62, 360,772.56 and 176,581.50 is: 243,756.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,349.62 : 360,772.56 = 176,581.50 : x
  2. Step 2: Convert to fraction form
    261,349.62/360,772.56 = 176,581.50/x
  3. Step 3: Cross multiply
    261,349.62x = 360,772.56 × 176,581.50
  4. Step 4: Simplify right side
    261,349.62x = 63,705,759,803.64
  5. Step 5: Solve for x
    x = 63,705,759,803.64/261,349.62
  6. Step 6: Final answer
    x = 243,756.85

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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.