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Finding the Fourth Proportional to 143,886.92, 215,822.48 and 44,047.02

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Solution

The fourth proportional to 143,886.92, 215,822.48 and 44,047.02 is: 66,068.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,886.92 : 215,822.48 = 44,047.02 : x
  2. Step 2: Convert to fraction form
    143,886.92/215,822.48 = 44,047.02/x
  3. Step 3: Cross multiply
    143,886.92x = 215,822.48 × 44,047.02
  4. Step 4: Simplify right side
    143,886.92x = 9,506,337,093.01
  5. Step 5: Solve for x
    x = 9,506,337,093.01/143,886.92
  6. Step 6: Final answer
    x = 66,068.11

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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.