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Finding the Fourth Proportional to 160,735.93, 221,770.78 and 126,638.78

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Solution

The fourth proportional to 160,735.93, 221,770.78 and 126,638.78 is: 174,726.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,735.93 : 221,770.78 = 126,638.78 : x
  2. Step 2: Convert to fraction form
    160,735.93/221,770.78 = 126,638.78/x
  3. Step 3: Cross multiply
    160,735.93x = 221,770.78 × 126,638.78
  4. Step 4: Simplify right side
    160,735.93x = 28,084,779,593.40
  5. Step 5: Solve for x
    x = 28,084,779,593.40/160,735.93
  6. Step 6: Final answer
    x = 174,726.21

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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.