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Finding the Fourth Proportional to 257,027.88, 385,567.64 and 88,526.01

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Solution

The fourth proportional to 257,027.88, 385,567.64 and 88,526.01 is: 132,797.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,027.88 : 385,567.64 = 88,526.01 : x
  2. Step 2: Convert to fraction form
    257,027.88/385,567.64 = 88,526.01/x
  3. Step 3: Cross multiply
    257,027.88x = 385,567.64 × 88,526.01
  4. Step 4: Simplify right side
    257,027.88x = 34,132,766,587.50
  5. Step 5: Solve for x
    x = 34,132,766,587.50/257,027.88
  6. Step 6: Final answer
    x = 132,797.91

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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.