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Finding the Fourth Proportional to 160,655.52, 221,707.05 and 88,057.86

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Solution

The fourth proportional to 160,655.52, 221,707.05 and 88,057.86 is: 121,521.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,655.52 : 221,707.05 = 88,057.86 : x
  2. Step 2: Convert to fraction form
    160,655.52/221,707.05 = 88,057.86/x
  3. Step 3: Cross multiply
    160,655.52x = 221,707.05 × 88,057.86
  4. Step 4: Simplify right side
    160,655.52x = 19,523,048,369.91
  5. Step 5: Solve for x
    x = 19,523,048,369.91/160,655.52
  6. Step 6: Final answer
    x = 121,521.18

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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.