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Finding the Fourth Proportional to 62,117.70, 93,177.36 and 17,745.90

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Solution

The fourth proportional to 62,117.70, 93,177.36 and 17,745.90 is: 26,619.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,117.70 : 93,177.36 = 17,745.90 : x
  2. Step 2: Convert to fraction form
    62,117.70/93,177.36 = 17,745.90/x
  3. Step 3: Cross multiply
    62,117.70x = 93,177.36 × 17,745.90
  4. Step 4: Simplify right side
    62,117.70x = 1,653,516,112.82
  5. Step 5: Solve for x
    x = 1,653,516,112.82/62,117.70
  6. Step 6: Final answer
    x = 26,619.08

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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.