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Finding the Fourth Proportional to 65,104.02, 89,842.71 and 38,248.98

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Solution

The fourth proportional to 65,104.02, 89,842.71 and 38,248.98 is: 52,783.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,104.02 : 89,842.71 = 38,248.98 : x
  2. Step 2: Convert to fraction form
    65,104.02/89,842.71 = 38,248.98/x
  3. Step 3: Cross multiply
    65,104.02x = 89,842.71 × 38,248.98
  4. Step 4: Simplify right side
    65,104.02x = 3,436,392,017.94
  5. Step 5: Solve for x
    x = 3,436,392,017.94/65,104.02
  6. Step 6: Final answer
    x = 52,783.10

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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.