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Finding the Fourth Proportional to 175,970.01, 242,781.52 and 99,481.71

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Solution

The fourth proportional to 175,970.01, 242,781.52 and 99,481.71 is: 137,252.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,970.01 : 242,781.52 = 99,481.71 : x
  2. Step 2: Convert to fraction form
    175,970.01/242,781.52 = 99,481.71/x
  3. Step 3: Cross multiply
    175,970.01x = 242,781.52 × 99,481.71
  4. Step 4: Simplify right side
    175,970.01x = 24,152,320,766.00
  5. Step 5: Solve for x
    x = 24,152,320,766.00/175,970.01
  6. Step 6: Final answer
    x = 137,252.48

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1.5x scale

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.