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Finding the Fourth Proportional to 127,097.70, 175,388.88 and 69,735.70

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Solution

The fourth proportional to 127,097.70, 175,388.88 and 69,735.70 is: 96,232.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,097.70 : 175,388.88 = 69,735.70 : x
  2. Step 2: Convert to fraction form
    127,097.70/175,388.88 = 69,735.70/x
  3. Step 3: Cross multiply
    127,097.70x = 175,388.88 × 69,735.70
  4. Step 4: Simplify right side
    127,097.70x = 12,230,866,319.02
  5. Step 5: Solve for x
    x = 12,230,866,319.02/127,097.70
  6. Step 6: Final answer
    x = 96,232.00

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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.