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Finding the Fourth Proportional to 265,957.60, 398,603.76 and 132,875.16

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Solution

The fourth proportional to 265,957.60, 398,603.76 and 132,875.16 is: 199,146.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,957.60 : 398,603.76 = 132,875.16 : x
  2. Step 2: Convert to fraction form
    265,957.60/398,603.76 = 132,875.16/x
  3. Step 3: Cross multiply
    265,957.60x = 398,603.76 × 132,875.16
  4. Step 4: Simplify right side
    265,957.60x = 52,964,538,386.60
  5. Step 5: Solve for x
    x = 52,964,538,386.60/265,957.60
  6. Step 6: Final answer
    x = 199,146.55

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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.