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Finding the Fourth Proportional to 127,348.54, 175,737.51 and 70,758.46

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Solution

The fourth proportional to 127,348.54, 175,737.51 and 70,758.46 is: 97,644.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,348.54 : 175,737.51 = 70,758.46 : x
  2. Step 2: Convert to fraction form
    127,348.54/175,737.51 = 70,758.46/x
  3. Step 3: Cross multiply
    127,348.54x = 175,737.51 × 70,758.46
  4. Step 4: Simplify right side
    127,348.54x = 12,434,915,571.83
  5. Step 5: Solve for x
    x = 12,434,915,571.83/127,348.54
  6. Step 6: Final answer
    x = 97,644.74

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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.