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Finding the Fourth Proportional to 117,680.01, 176,464.41 and 42,747.93

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Solution

The fourth proportional to 117,680.01, 176,464.41 and 42,747.93 is: 64,101.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,680.01 : 176,464.41 = 42,747.93 : x
  2. Step 2: Convert to fraction form
    117,680.01/176,464.41 = 42,747.93/x
  3. Step 3: Cross multiply
    117,680.01x = 176,464.41 × 42,747.93
  4. Step 4: Simplify right side
    117,680.01x = 7,543,488,246.17
  5. Step 5: Solve for x
    x = 7,543,488,246.17/117,680.01
  6. Step 6: Final answer
    x = 64,101.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.