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Finding the Fourth Proportional to 247,052.60, 370,575.00 and 78,570.49

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Solution

The fourth proportional to 247,052.60, 370,575.00 and 78,570.49 is: 117,854.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,052.60 : 370,575.00 = 78,570.49 : x
  2. Step 2: Convert to fraction form
    247,052.60/370,575.00 = 78,570.49/x
  3. Step 3: Cross multiply
    247,052.60x = 370,575.00 × 78,570.49
  4. Step 4: Simplify right side
    247,052.60x = 29,116,259,504.20
  5. Step 5: Solve for x
    x = 29,116,259,504.20/247,052.60
  6. Step 6: Final answer
    x = 117,854.50

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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.