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Finding the Fourth Proportional to 157,159.36, 216,862.16 and 92,624.40

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Solution

The fourth proportional to 157,159.36, 216,862.16 and 92,624.40 is: 127,811.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,159.36 : 216,862.16 = 92,624.40 : x
  2. Step 2: Convert to fraction form
    157,159.36/216,862.16 = 92,624.40/x
  3. Step 3: Cross multiply
    157,159.36x = 216,862.16 × 92,624.40
  4. Step 4: Simplify right side
    157,159.36x = 20,086,727,452.70
  5. Step 5: Solve for x
    x = 20,086,727,452.70/157,159.36
  6. Step 6: Final answer
    x = 127,811.21

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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.