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Finding the Fourth Proportional to 72,125.68, 108,041.64 and 58,846

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Solution

The fourth proportional to 72,125.68, 108,041.64 and 58,846 is: 88,149.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,125.68 : 108,041.64 = 58,846 : x
  2. Step 2: Convert to fraction form
    72,125.68/108,041.64 = 58,846/x
  3. Step 3: Cross multiply
    72,125.68x = 108,041.64 × 58,846
  4. Step 4: Simplify right side
    72,125.68x = 6,357,818,347.44
  5. Step 5: Solve for x
    x = 6,357,818,347.44/72,125.68
  6. Step 6: Final answer
    x = 88,149.16

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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.