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Finding the Fourth Proportional to 150,457.52, 207,626.28 and 86,793.68

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Solution

The fourth proportional to 150,457.52, 207,626.28 and 86,793.68 is: 119,772.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,457.52 : 207,626.28 = 86,793.68 : x
  2. Step 2: Convert to fraction form
    150,457.52/207,626.28 = 86,793.68/x
  3. Step 3: Cross multiply
    150,457.52x = 207,626.28 × 86,793.68
  4. Step 4: Simplify right side
    150,457.52x = 18,020,648,905.91
  5. Step 5: Solve for x
    x = 18,020,648,905.91/150,457.52
  6. Step 6: Final answer
    x = 119,772.34

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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.