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Finding the Fourth Proportional to 265,699.02, 398,572.20 and 88,207.68

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Solution

The fourth proportional to 265,699.02, 398,572.20 and 88,207.68 is: 132,319.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,699.02 : 398,572.20 = 88,207.68 : x
  2. Step 2: Convert to fraction form
    265,699.02/398,572.20 = 88,207.68/x
  3. Step 3: Cross multiply
    265,699.02x = 398,572.20 × 88,207.68
  4. Step 4: Simplify right side
    265,699.02x = 35,157,129,074.50
  5. Step 5: Solve for x
    x = 35,157,129,074.50/265,699.02
  6. Step 6: Final answer
    x = 132,319.38

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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.