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Finding the Fourth Proportional to 157,455.71, 217,266.96 and 92,927.64

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Solution

The fourth proportional to 157,455.71, 217,266.96 and 92,927.64 is: 128,227.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,455.71 : 217,266.96 = 92,927.64 : x
  2. Step 2: Convert to fraction form
    157,455.71/217,266.96 = 92,927.64/x
  3. Step 3: Cross multiply
    157,455.71x = 217,266.96 × 92,927.64
  4. Step 4: Simplify right side
    157,455.71x = 20,190,107,006.00
  5. Step 5: Solve for x
    x = 20,190,107,006.00/157,455.71
  6. Step 6: Final answer
    x = 128,227.21

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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.