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Finding the Fourth Proportional to 67,594, 101,322.96 and 28,172.92

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Solution

The fourth proportional to 67,594, 101,322.96 and 28,172.92 is: 42,231.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,594 : 101,322.96 = 28,172.92 : x
  2. Step 2: Convert to fraction form
    67,594/101,322.96 = 28,172.92/x
  3. Step 3: Cross multiply
    67,594x = 101,322.96 × 28,172.92
  4. Step 4: Simplify right side
    67,594x = 2,854,563,646.24
  5. Step 5: Solve for x
    x = 2,854,563,646.24/67,594
  6. Step 6: Final answer
    x = 42,231.02

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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.