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Finding the Fourth Proportional to 267,500.93, 401,260.10 and 99,063.72

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Solution

The fourth proportional to 267,500.93, 401,260.10 and 99,063.72 is: 148,598.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,500.93 : 401,260.10 = 99,063.72 : x
  2. Step 2: Convert to fraction form
    267,500.93/401,260.10 = 99,063.72/x
  3. Step 3: Cross multiply
    267,500.93x = 401,260.10 × 99,063.72
  4. Step 4: Simplify right side
    267,500.93x = 39,750,317,698.25
  5. Step 5: Solve for x
    x = 39,750,317,698.25/267,500.93
  6. Step 6: Final answer
    x = 148,598.80

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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.