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Finding the Fourth Proportional to 67,501.64, 101,289.02 and 28,085.96

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Solution

The fourth proportional to 67,501.64, 101,289.02 and 28,085.96 is: 42,144.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,501.64 : 101,289.02 = 28,085.96 : x
  2. Step 2: Convert to fraction form
    67,501.64/101,289.02 = 28,085.96/x
  3. Step 3: Cross multiply
    67,501.64x = 101,289.02 × 28,085.96
  4. Step 4: Simplify right side
    67,501.64x = 2,844,799,364.16
  5. Step 5: Solve for x
    x = 2,844,799,364.16/67,501.64
  6. Step 6: Final answer
    x = 42,144.15

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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.