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Finding the Fourth Proportional to 143,854.95, 215,774.63 and 44,015.16

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Solution

The fourth proportional to 143,854.95, 215,774.63 and 44,015.16 is: 66,020.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,854.95 : 215,774.63 = 44,015.16 : x
  2. Step 2: Convert to fraction form
    143,854.95/215,774.63 = 44,015.16/x
  3. Step 3: Cross multiply
    143,854.95x = 215,774.63 × 44,015.16
  4. Step 4: Simplify right side
    143,854.95x = 9,497,354,863.39
  5. Step 5: Solve for x
    x = 9,497,354,863.39/143,854.95
  6. Step 6: Final answer
    x = 66,020.35

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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.