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Finding the Fourth Proportional to 110,354.38, 152,305.44 and 65,017.87

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Solution

The fourth proportional to 110,354.38, 152,305.44 and 65,017.87 is: 89,734.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,354.38 : 152,305.44 = 65,017.87 : x
  2. Step 2: Convert to fraction form
    110,354.38/152,305.44 = 65,017.87/x
  3. Step 3: Cross multiply
    110,354.38x = 152,305.44 × 65,017.87
  4. Step 4: Simplify right side
    110,354.38x = 9,902,575,298.21
  5. Step 5: Solve for x
    x = 9,902,575,298.21/110,354.38
  6. Step 6: Final answer
    x = 89,734.32

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1.5x scale

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.