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Finding the Fourth Proportional to 127,390.46, 175,801.07 and 70,032.20

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Solution

The fourth proportional to 127,390.46, 175,801.07 and 70,032.20 is: 96,645.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,390.46 : 175,801.07 = 70,032.20 : x
  2. Step 2: Convert to fraction form
    127,390.46/175,801.07 = 70,032.20/x
  3. Step 3: Cross multiply
    127,390.46x = 175,801.07 × 70,032.20
  4. Step 4: Simplify right side
    127,390.46x = 12,311,734,892.05
  5. Step 5: Solve for x
    x = 12,311,734,892.05/127,390.46
  6. Step 6: Final answer
    x = 96,645.66

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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.