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Finding the Fourth Proportional to 117,552.62, 176,350.11 and 42,777.72

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Solution

The fourth proportional to 117,552.62, 176,350.11 and 42,777.72 is: 64,174.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,552.62 : 176,350.11 = 42,777.72 : x
  2. Step 2: Convert to fraction form
    117,552.62/176,350.11 = 42,777.72/x
  3. Step 3: Cross multiply
    117,552.62x = 176,350.11 × 42,777.72
  4. Step 4: Simplify right side
    117,552.62x = 7,543,855,707.76
  5. Step 5: Solve for x
    x = 7,543,855,707.76/117,552.62
  6. Step 6: Final answer
    x = 64,174.29

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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.