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Finding the Fourth Proportional to 265,475.64, 398,281.44 and 88,032.18

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Solution

The fourth proportional to 265,475.64, 398,281.44 and 88,032.18 is: 132,070.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,475.64 : 398,281.44 = 88,032.18 : x
  2. Step 2: Convert to fraction form
    265,475.64/398,281.44 = 88,032.18/x
  3. Step 3: Cross multiply
    265,475.64x = 398,281.44 × 88,032.18
  4. Step 4: Simplify right side
    265,475.64x = 35,061,583,416.74
  5. Step 5: Solve for x
    x = 35,061,583,416.74/265,475.64
  6. Step 6: Final answer
    x = 132,070.81

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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.