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Finding the Fourth Proportional to 176,060, 242,963.20 and 100,608.32

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Solution

The fourth proportional to 176,060, 242,963.20 and 100,608.32 is: 138,839.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,060 : 242,963.20 = 100,608.32 : x
  2. Step 2: Convert to fraction form
    176,060/242,963.20 = 100,608.32/x
  3. Step 3: Cross multiply
    176,060x = 242,963.20 × 100,608.32
  4. Step 4: Simplify right side
    176,060x = 24,444,119,373.82
  5. Step 5: Solve for x
    x = 24,444,119,373.82/176,060
  6. Step 6: Final answer
    x = 138,839.71

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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.