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Finding the Fourth Proportional to 157,266.40, 217,045.56 and 93,604.40

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Solution

The fourth proportional to 157,266.40, 217,045.56 and 93,604.40 is: 129,184.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,266.40 : 217,045.56 = 93,604.40 : x
  2. Step 2: Convert to fraction form
    157,266.40/217,045.56 = 93,604.40/x
  3. Step 3: Cross multiply
    157,266.40x = 217,045.56 × 93,604.40
  4. Step 4: Simplify right side
    157,266.40x = 20,316,419,416.46
  5. Step 5: Solve for x
    x = 20,316,419,416.46/157,266.40
  6. Step 6: Final answer
    x = 129,184.74

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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.