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Finding the Fourth Proportional to 70,845.69, 106,386.99 and 44,253.59

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Solution

The fourth proportional to 70,845.69, 106,386.99 and 44,253.59 is: 66,454.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,845.69 : 106,386.99 = 44,253.59 : x
  2. Step 2: Convert to fraction form
    70,845.69/106,386.99 = 44,253.59/x
  3. Step 3: Cross multiply
    70,845.69x = 106,386.99 × 44,253.59
  4. Step 4: Simplify right side
    70,845.69x = 4,708,006,510.72
  5. Step 5: Solve for x
    x = 4,708,006,510.72/70,845.69
  6. Step 6: Final answer
    x = 66,454.38

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1.5x scale

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.