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Finding the Fourth Proportional to 160,065.47, 220,892.31 and 88,444.86

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Solution

The fourth proportional to 160,065.47, 220,892.31 and 88,444.86 is: 122,054.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,065.47 : 220,892.31 = 88,444.86 : x
  2. Step 2: Convert to fraction form
    160,065.47/220,892.31 = 88,444.86/x
  3. Step 3: Cross multiply
    160,065.47x = 220,892.31 × 88,444.86
  4. Step 4: Simplify right side
    160,065.47x = 19,536,789,433.03
  5. Step 5: Solve for x
    x = 19,536,789,433.03/160,065.47
  6. Step 6: Final answer
    x = 122,054.99

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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.