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Finding the Fourth Proportional to 257,037.93, 385,482.92 and 88,551.45

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Solution

The fourth proportional to 257,037.93, 385,482.92 and 88,551.45 is: 132,801.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,037.93 : 385,482.92 = 88,551.45 : x
  2. Step 2: Convert to fraction form
    257,037.93/385,482.92 = 88,551.45/x
  3. Step 3: Cross multiply
    257,037.93x = 385,482.92 × 88,551.45
  4. Step 4: Simplify right side
    257,037.93x = 34,135,071,073.48
  5. Step 5: Solve for x
    x = 34,135,071,073.48/257,037.93
  6. Step 6: Final answer
    x = 132,801.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.