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Finding the Fourth Proportional to 115,599.75, 159,576.85 and 70,292.29

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Solution

The fourth proportional to 115,599.75, 159,576.85 and 70,292.29 is: 97,033.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,599.75 : 159,576.85 = 70,292.29 : x
  2. Step 2: Convert to fraction form
    115,599.75/159,576.85 = 70,292.29/x
  3. Step 3: Cross multiply
    115,599.75x = 159,576.85 × 70,292.29
  4. Step 4: Simplify right side
    115,599.75x = 11,217,021,572.46
  5. Step 5: Solve for x
    x = 11,217,021,572.46/115,599.75
  6. Step 6: Final answer
    x = 97,033.27

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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.