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Finding the Fourth Proportional to 79,746.32, 119,530.08 and 32,350.40

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Solution

The fourth proportional to 79,746.32, 119,530.08 and 32,350.40 is: 48,489.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,746.32 : 119,530.08 = 32,350.40 : x
  2. Step 2: Convert to fraction form
    79,746.32/119,530.08 = 32,350.40/x
  3. Step 3: Cross multiply
    79,746.32x = 119,530.08 × 32,350.40
  4. Step 4: Simplify right side
    79,746.32x = 3,866,845,900.03
  5. Step 5: Solve for x
    x = 3,866,845,900.03/79,746.32
  6. Step 6: Final answer
    x = 48,489.33

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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.