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Finding the Fourth Proportional to 124,102.91, 185,970.41 and 70,767.45

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Solution

The fourth proportional to 124,102.91, 185,970.41 and 70,767.45 is: 106,046.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,102.91 : 185,970.41 = 70,767.45 : x
  2. Step 2: Convert to fraction form
    124,102.91/185,970.41 = 70,767.45/x
  3. Step 3: Cross multiply
    124,102.91x = 185,970.41 × 70,767.45
  4. Step 4: Simplify right side
    124,102.91x = 13,160,650,880.62
  5. Step 5: Solve for x
    x = 13,160,650,880.62/124,102.91
  6. Step 6: Final answer
    x = 106,046.27

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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.