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Finding the Fourth Proportional to 79,875.24, 119,652.48 and 39,773.40

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Solution

The fourth proportional to 79,875.24, 119,652.48 and 39,773.40 is: 59,580.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,875.24 : 119,652.48 = 39,773.40 : x
  2. Step 2: Convert to fraction form
    79,875.24/119,652.48 = 39,773.40/x
  3. Step 3: Cross multiply
    79,875.24x = 119,652.48 × 39,773.40
  4. Step 4: Simplify right side
    79,875.24x = 4,758,985,948.03
  5. Step 5: Solve for x
    x = 4,758,985,948.03/79,875.24
  6. Step 6: Final answer
    x = 59,580.24

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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.