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Finding the Fourth Proportional to 159,658.48, 220,330.20 and 88,041.07

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Solution

The fourth proportional to 159,658.48, 220,330.20 and 88,041.07 is: 121,497.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,658.48 : 220,330.20 = 88,041.07 : x
  2. Step 2: Convert to fraction form
    159,658.48/220,330.20 = 88,041.07/x
  3. Step 3: Cross multiply
    159,658.48x = 220,330.20 × 88,041.07
  4. Step 4: Simplify right side
    159,658.48x = 19,398,106,561.31
  5. Step 5: Solve for x
    x = 19,398,106,561.31/159,658.48
  6. Step 6: Final answer
    x = 121,497.50

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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.