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Finding the Fourth Proportional to 127,019.84, 175,295.13 and 73,308.31

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Solution

The fourth proportional to 127,019.84, 175,295.13 and 73,308.31 is: 101,169.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,019.84 : 175,295.13 = 73,308.31 : x
  2. Step 2: Convert to fraction form
    127,019.84/175,295.13 = 73,308.31/x
  3. Step 3: Cross multiply
    127,019.84x = 175,295.13 × 73,308.31
  4. Step 4: Simplify right side
    127,019.84x = 12,850,589,430.75
  5. Step 5: Solve for x
    x = 12,850,589,430.75/127,019.84
  6. Step 6: Final answer
    x = 101,169.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.