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Finding the Fourth Proportional to 267,394.72, 401,095.32 and 89,901.04

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Solution

The fourth proportional to 267,394.72, 401,095.32 and 89,901.04 is: 134,852.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,394.72 : 401,095.32 = 89,901.04 : x
  2. Step 2: Convert to fraction form
    267,394.72/401,095.32 = 89,901.04/x
  3. Step 3: Cross multiply
    267,394.72x = 401,095.32 × 89,901.04
  4. Step 4: Simplify right side
    267,394.72x = 36,058,886,407.13
  5. Step 5: Solve for x
    x = 36,058,886,407.13/267,394.72
  6. Step 6: Final answer
    x = 134,852.65

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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.