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Finding the Fourth Proportional to 150,240.96, 207,342.52 and 86,582.86

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Solution

The fourth proportional to 150,240.96, 207,342.52 and 86,582.86 is: 119,490.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,240.96 : 207,342.52 = 86,582.86 : x
  2. Step 2: Convert to fraction form
    150,240.96/207,342.52 = 86,582.86/x
  3. Step 3: Cross multiply
    150,240.96x = 207,342.52 × 86,582.86
  4. Step 4: Simplify right side
    150,240.96x = 17,952,307,646.39
  5. Step 5: Solve for x
    x = 17,952,307,646.39/150,240.96
  6. Step 6: Final answer
    x = 119,490.10

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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.