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Finding the Fourth Proportional to 160,561, 221,524.50 and 92,569.33

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Solution

The fourth proportional to 160,561, 221,524.50 and 92,569.33 is: 127,717.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,561 : 221,524.50 = 92,569.33 : x
  2. Step 2: Convert to fraction form
    160,561/221,524.50 = 92,569.33/x
  3. Step 3: Cross multiply
    160,561x = 221,524.50 × 92,569.33
  4. Step 4: Simplify right side
    160,561x = 20,506,374,543.59
  5. Step 5: Solve for x
    x = 20,506,374,543.59/160,561
  6. Step 6: Final answer
    x = 127,717.03

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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.