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Finding the Fourth Proportional to 160,617.68, 221,646.40 and 92,637.44

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Solution

The fourth proportional to 160,617.68, 221,646.40 and 92,637.44 is: 127,836.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,617.68 : 221,646.40 = 92,637.44 : x
  2. Step 2: Convert to fraction form
    160,617.68/221,646.40 = 92,637.44/x
  3. Step 3: Cross multiply
    160,617.68x = 221,646.40 × 92,637.44
  4. Step 4: Simplify right side
    160,617.68x = 20,532,755,081.22
  5. Step 5: Solve for x
    x = 20,532,755,081.22/160,617.68
  6. Step 6: Final answer
    x = 127,836.21

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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.