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Finding the Fourth Proportional to 157,578.00, 217,459.22 and 85,959.52

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Solution

The fourth proportional to 157,578.00, 217,459.22 and 85,959.52 is: 118,625.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,578.00 : 217,459.22 = 85,959.52 : x
  2. Step 2: Convert to fraction form
    157,578.00/217,459.22 = 85,959.52/x
  3. Step 3: Cross multiply
    157,578.00x = 217,459.22 × 85,959.52
  4. Step 4: Simplify right side
    157,578.00x = 18,692,690,420.54
  5. Step 5: Solve for x
    x = 18,692,690,420.54/157,578.00
  6. Step 6: Final answer
    x = 118,625.00

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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.