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Finding the Fourth Proportional to 157,753.95, 217,674.75 and 93,214.20

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Solution

The fourth proportional to 157,753.95, 217,674.75 and 93,214.20 is: 128,620.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,753.95 : 217,674.75 = 93,214.20 : x
  2. Step 2: Convert to fraction form
    157,753.95/217,674.75 = 93,214.20/x
  3. Step 3: Cross multiply
    157,753.95x = 217,674.75 × 93,214.20
  4. Step 4: Simplify right side
    157,753.95x = 20,290,377,681.45
  5. Step 5: Solve for x
    x = 20,290,377,681.45/157,753.95
  6. Step 6: Final answer
    x = 128,620.41

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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.