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Finding the Fourth Proportional to 127,482.70, 175,930.45 and 70,126.29

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Solution

The fourth proportional to 127,482.70, 175,930.45 and 70,126.29 is: 96,776.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,482.70 : 175,930.45 = 70,126.29 : x
  2. Step 2: Convert to fraction form
    127,482.70/175,930.45 = 70,126.29/x
  3. Step 3: Cross multiply
    127,482.70x = 175,930.45 × 70,126.29
  4. Step 4: Simplify right side
    127,482.70x = 12,337,348,526.25
  5. Step 5: Solve for x
    x = 12,337,348,526.25/127,482.70
  6. Step 6: Final answer
    x = 96,776.65

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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.