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Finding the Fourth Proportional to 266,689.55, 368,001.35 and 157,797.23

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Solution

The fourth proportional to 266,689.55, 368,001.35 and 157,797.23 is: 217,742.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,689.55 : 368,001.35 = 157,797.23 : x
  2. Step 2: Convert to fraction form
    266,689.55/368,001.35 = 157,797.23/x
  3. Step 3: Cross multiply
    266,689.55x = 368,001.35 × 157,797.23
  4. Step 4: Simplify right side
    266,689.55x = 58,069,591,037.27
  5. Step 5: Solve for x
    x = 58,069,591,037.27/266,689.55
  6. Step 6: Final answer
    x = 217,742.29

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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.