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Finding the Fourth Proportional to 94,710.70, 130,749.92 and 69,188.42

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Solution

The fourth proportional to 94,710.70, 130,749.92 and 69,188.42 is: 95,515.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,710.70 : 130,749.92 = 69,188.42 : x
  2. Step 2: Convert to fraction form
    94,710.70/130,749.92 = 69,188.42/x
  3. Step 3: Cross multiply
    94,710.70x = 130,749.92 × 69,188.42
  4. Step 4: Simplify right side
    94,710.70x = 9,046,380,379.93
  5. Step 5: Solve for x
    x = 9,046,380,379.93/94,710.70
  6. Step 6: Final answer
    x = 95,515.93

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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.