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Finding the Fourth Proportional to 162,071.48, 223,652.76 and 89,472.80

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Solution

The fourth proportional to 162,071.48, 223,652.76 and 89,472.80 is: 123,469.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,071.48 : 223,652.76 = 89,472.80 : x
  2. Step 2: Convert to fraction form
    162,071.48/223,652.76 = 89,472.80/x
  3. Step 3: Cross multiply
    162,071.48x = 223,652.76 × 89,472.80
  4. Step 4: Simplify right side
    162,071.48x = 20,010,838,664.93
  5. Step 5: Solve for x
    x = 20,010,838,664.93/162,071.48
  6. Step 6: Final answer
    x = 123,469.22

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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.