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Finding the Fourth Proportional to 127,294.60, 175,661.54 and 70,709.56

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Solution

The fourth proportional to 127,294.60, 175,661.54 and 70,709.56 is: 97,576.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,294.60 : 175,661.54 = 70,709.56 : x
  2. Step 2: Convert to fraction form
    127,294.60/175,661.54 = 70,709.56/x
  3. Step 3: Cross multiply
    127,294.60x = 175,661.54 × 70,709.56
  4. Step 4: Simplify right side
    127,294.60x = 12,420,950,202.32
  5. Step 5: Solve for x
    x = 12,420,950,202.32/127,294.60
  6. Step 6: Final answer
    x = 97,576.41

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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.