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Finding the Fourth Proportional to 111,655.98, 154,088.19 and 63,924.71

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Solution

The fourth proportional to 111,655.98, 154,088.19 and 63,924.71 is: 88,217.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,655.98 : 154,088.19 = 63,924.71 : x
  2. Step 2: Convert to fraction form
    111,655.98/154,088.19 = 63,924.71/x
  3. Step 3: Cross multiply
    111,655.98x = 154,088.19 × 63,924.71
  4. Step 4: Simplify right side
    111,655.98x = 9,850,042,089.73
  5. Step 5: Solve for x
    x = 9,850,042,089.73/111,655.98
  6. Step 6: Final answer
    x = 88,217.77

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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.