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Finding the Fourth Proportional to 176,095.52, 242,952.72 and 100,590.56

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Solution

The fourth proportional to 176,095.52, 242,952.72 and 100,590.56 is: 138,781.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,095.52 : 242,952.72 = 100,590.56 : x
  2. Step 2: Convert to fraction form
    176,095.52/242,952.72 = 100,590.56/x
  3. Step 3: Cross multiply
    176,095.52x = 242,952.72 × 100,590.56
  4. Step 4: Simplify right side
    176,095.52x = 24,438,750,158.32
  5. Step 5: Solve for x
    x = 24,438,750,158.32/176,095.52
  6. Step 6: Final answer
    x = 138,781.21

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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.