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Finding the Fourth Proportional to 157,625.64, 217,523.40 and 101,037.15

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Solution

The fourth proportional to 157,625.64, 217,523.40 and 101,037.15 is: 139,431.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,625.64 : 217,523.40 = 101,037.15 : x
  2. Step 2: Convert to fraction form
    157,625.64/217,523.40 = 101,037.15/x
  3. Step 3: Cross multiply
    157,625.64x = 217,523.40 × 101,037.15
  4. Step 4: Simplify right side
    157,625.64x = 21,977,944,394.31
  5. Step 5: Solve for x
    x = 21,977,944,394.31/157,625.64
  6. Step 6: Final answer
    x = 139,431.28

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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.