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Finding the Fourth Proportional to 176,686.62, 243,827.43 and 101,278.86

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Solution

The fourth proportional to 176,686.62, 243,827.43 and 101,278.86 is: 139,764.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,686.62 : 243,827.43 = 101,278.86 : x
  2. Step 2: Convert to fraction form
    176,686.62/243,827.43 = 101,278.86/x
  3. Step 3: Cross multiply
    176,686.62x = 243,827.43 × 101,278.86
  4. Step 4: Simplify right side
    176,686.62x = 24,694,564,147.13
  5. Step 5: Solve for x
    x = 24,694,564,147.13/176,686.62
  6. Step 6: Final answer
    x = 139,764.77

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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.