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Finding the Fourth Proportional to 247,275.00, 370,908.47 and 78,793.05

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Solution

The fourth proportional to 247,275.00, 370,908.47 and 78,793.05 is: 118,188.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,275.00 : 370,908.47 = 78,793.05 : x
  2. Step 2: Convert to fraction form
    247,275.00/370,908.47 = 78,793.05/x
  3. Step 3: Cross multiply
    247,275.00x = 370,908.47 × 78,793.05
  4. Step 4: Simplify right side
    247,275.00x = 29,225,007,373.63
  5. Step 5: Solve for x
    x = 29,225,007,373.63/247,275.00
  6. Step 6: Final answer
    x = 118,188.28

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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.