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Finding the Fourth Proportional to 127,044.81, 175,315.86 and 70,454.97

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Solution

The fourth proportional to 127,044.81, 175,315.86 and 70,454.97 is: 97,224.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,044.81 : 175,315.86 = 70,454.97 : x
  2. Step 2: Convert to fraction form
    127,044.81/175,315.86 = 70,454.97/x
  3. Step 3: Cross multiply
    127,044.81x = 175,315.86 × 70,454.97
  4. Step 4: Simplify right side
    127,044.81x = 12,351,873,656.82
  5. Step 5: Solve for x
    x = 12,351,873,656.82/127,044.81
  6. Step 6: Final answer
    x = 97,224.54

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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.