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Finding the Fourth Proportional to 107,089.77, 147,785.12 and 59,343.91

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Solution

The fourth proportional to 107,089.77, 147,785.12 and 59,343.91 is: 81,895.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,089.77 : 147,785.12 = 59,343.91 : x
  2. Step 2: Convert to fraction form
    107,089.77/147,785.12 = 59,343.91/x
  3. Step 3: Cross multiply
    107,089.77x = 147,785.12 × 59,343.91
  4. Step 4: Simplify right side
    107,089.77x = 8,770,146,860.62
  5. Step 5: Solve for x
    x = 8,770,146,860.62/107,089.77
  6. Step 6: Final answer
    x = 81,895.28

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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.