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Finding the Fourth Proportional to 123,892.32, 170,967.68 and 67,303.52

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Solution

The fourth proportional to 123,892.32, 170,967.68 and 67,303.52 is: 92,876.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,892.32 : 170,967.68 = 67,303.52 : x
  2. Step 2: Convert to fraction form
    123,892.32/170,967.68 = 67,303.52/x
  3. Step 3: Cross multiply
    123,892.32x = 170,967.68 × 67,303.52
  4. Step 4: Simplify right side
    123,892.32x = 11,506,726,670.23
  5. Step 5: Solve for x
    x = 11,506,726,670.23/123,892.32
  6. Step 6: Final answer
    x = 92,876.84

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.