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Finding the Fourth Proportional to 162,347.64, 224,020.34 and 89,740.73

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Solution

The fourth proportional to 162,347.64, 224,020.34 and 89,740.73 is: 123,831.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,347.64 : 224,020.34 = 89,740.73 : x
  2. Step 2: Convert to fraction form
    162,347.64/224,020.34 = 89,740.73/x
  3. Step 3: Cross multiply
    162,347.64x = 224,020.34 × 89,740.73
  4. Step 4: Simplify right side
    162,347.64x = 20,103,747,277.64
  5. Step 5: Solve for x
    x = 20,103,747,277.64/162,347.64
  6. Step 6: Final answer
    x = 123,831.47

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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.