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Finding the Fourth Proportional to 86,702.00, 130,050.09 and 36,749.97

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Solution

The fourth proportional to 86,702.00, 130,050.09 and 36,749.97 is: 55,123.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,702.00 : 130,050.09 = 36,749.97 : x
  2. Step 2: Convert to fraction form
    86,702.00/130,050.09 = 36,749.97/x
  3. Step 3: Cross multiply
    86,702.00x = 130,050.09 × 36,749.97
  4. Step 4: Simplify right side
    86,702.00x = 4,779,336,906.00
  5. Step 5: Solve for x
    x = 4,779,336,906.00/86,702.00
  6. Step 6: Final answer
    x = 55,123.72

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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.