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Finding the Fourth Proportional to 70,563.38, 106,267.48 and 64,264.82

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Solution

The fourth proportional to 70,563.38, 106,267.48 and 64,264.82 is: 96,781.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,563.38 : 106,267.48 = 64,264.82 : x
  2. Step 2: Convert to fraction form
    70,563.38/106,267.48 = 64,264.82/x
  3. Step 3: Cross multiply
    70,563.38x = 106,267.48 × 64,264.82
  4. Step 4: Simplify right side
    70,563.38x = 6,829,260,152.73
  5. Step 5: Solve for x
    x = 6,829,260,152.73/70,563.38
  6. Step 6: Final answer
    x = 96,781.93

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.