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Finding the Fourth Proportional to 127,063.92, 175,343.76 and 70,480.56

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Solution

The fourth proportional to 127,063.92, 175,343.76 and 70,480.56 is: 97,260.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,063.92 : 175,343.76 = 70,480.56 : x
  2. Step 2: Convert to fraction form
    127,063.92/175,343.76 = 70,480.56/x
  3. Step 3: Cross multiply
    127,063.92x = 175,343.76 × 70,480.56
  4. Step 4: Simplify right side
    127,063.92x = 12,358,326,397.31
  5. Step 5: Solve for x
    x = 12,358,326,397.31/127,063.92
  6. Step 6: Final answer
    x = 97,260.70

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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.