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Finding the Fourth Proportional to 110,221.68, 152,095.68 and 62,479.20

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Solution

The fourth proportional to 110,221.68, 152,095.68 and 62,479.20 is: 86,215.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,221.68 : 152,095.68 = 62,479.20 : x
  2. Step 2: Convert to fraction form
    110,221.68/152,095.68 = 62,479.20/x
  3. Step 3: Cross multiply
    110,221.68x = 152,095.68 × 62,479.20
  4. Step 4: Simplify right side
    110,221.68x = 9,502,816,409.86
  5. Step 5: Solve for x
    x = 9,502,816,409.86/110,221.68
  6. Step 6: Final answer
    x = 86,215.49

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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.