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Finding the Fourth Proportional to 185,557.32, 278,347.22 and 52,447.55

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Solution

The fourth proportional to 185,557.32, 278,347.22 and 52,447.55 is: 78,674.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,557.32 : 278,347.22 = 52,447.55 : x
  2. Step 2: Convert to fraction form
    185,557.32/278,347.22 = 52,447.55/x
  3. Step 3: Cross multiply
    185,557.32x = 278,347.22 × 52,447.55
  4. Step 4: Simplify right side
    185,557.32x = 14,598,628,281.02
  5. Step 5: Solve for x
    x = 14,598,628,281.02/185,557.32
  6. Step 6: Final answer
    x = 78,674.49

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.