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Finding the Fourth Proportional to 267,691.08, 369,407.32 and 146,831.28

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Solution

The fourth proportional to 267,691.08, 369,407.32 and 146,831.28 is: 202,623.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,691.08 : 369,407.32 = 146,831.28 : x
  2. Step 2: Convert to fraction form
    267,691.08/369,407.32 = 146,831.28/x
  3. Step 3: Cross multiply
    267,691.08x = 369,407.32 × 146,831.28
  4. Step 4: Simplify right side
    267,691.08x = 54,240,549,636.97
  5. Step 5: Solve for x
    x = 54,240,549,636.97/267,691.08
  6. Step 6: Final answer
    x = 202,623.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.