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Finding the Fourth Proportional to 265,700.55, 398,464.11 and 88,159.89

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Solution

The fourth proportional to 265,700.55, 398,464.11 and 88,159.89 is: 132,211.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,700.55 : 398,464.11 = 88,159.89 : x
  2. Step 2: Convert to fraction form
    265,700.55/398,464.11 = 88,159.89/x
  3. Step 3: Cross multiply
    265,700.55x = 398,464.11 × 88,159.89
  4. Step 4: Simplify right side
    265,700.55x = 35,128,552,106.55
  5. Step 5: Solve for x
    x = 35,128,552,106.55/265,700.55
  6. Step 6: Final answer
    x = 132,211.06

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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.