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Finding the Fourth Proportional to 106,586.70, 159,572.85 and 65,114.70

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Solution

The fourth proportional to 106,586.70, 159,572.85 and 65,114.70 is: 97,484.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,586.70 : 159,572.85 = 65,114.70 : x
  2. Step 2: Convert to fraction form
    106,586.70/159,572.85 = 65,114.70/x
  3. Step 3: Cross multiply
    106,586.70x = 159,572.85 × 65,114.70
  4. Step 4: Simplify right side
    106,586.70x = 10,390,538,255.90
  5. Step 5: Solve for x
    x = 10,390,538,255.90/106,586.70
  6. Step 6: Final answer
    x = 97,484.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.