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Finding the Fourth Proportional to 127,340.67, 175,732.02 and 70,755.69

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Solution

The fourth proportional to 127,340.67, 175,732.02 and 70,755.69 is: 97,643.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,340.67 : 175,732.02 = 70,755.69 : x
  2. Step 2: Convert to fraction form
    127,340.67/175,732.02 = 70,755.69/x
  3. Step 3: Cross multiply
    127,340.67x = 175,732.02 × 70,755.69
  4. Step 4: Simplify right side
    127,340.67x = 12,434,040,330.19
  5. Step 5: Solve for x
    x = 12,434,040,330.19/127,340.67
  6. Step 6: Final answer
    x = 97,643.91

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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.