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Finding the Fourth Proportional to 120,710.62, 181,066.16 and 41,824.92

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Solution

The fourth proportional to 120,710.62, 181,066.16 and 41,824.92 is: 62,737.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,710.62 : 181,066.16 = 41,824.92 : x
  2. Step 2: Convert to fraction form
    120,710.62/181,066.16 = 41,824.92/x
  3. Step 3: Cross multiply
    120,710.62x = 181,066.16 × 41,824.92
  4. Step 4: Simplify right side
    120,710.62x = 7,573,077,656.71
  5. Step 5: Solve for x
    x = 7,573,077,656.71/120,710.62
  6. Step 6: Final answer
    x = 62,737.46

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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.