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Finding the Fourth Proportional to 78,866.96, 118,271.40 and 62,032.82

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Solution

The fourth proportional to 78,866.96, 118,271.40 and 62,032.82 is: 93,026.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,866.96 : 118,271.40 = 62,032.82 : x
  2. Step 2: Convert to fraction form
    78,866.96/118,271.40 = 62,032.82/x
  3. Step 3: Cross multiply
    78,866.96x = 118,271.40 × 62,032.82
  4. Step 4: Simplify right side
    78,866.96x = 7,336,708,467.35
  5. Step 5: Solve for x
    x = 7,336,708,467.35/78,866.96
  6. Step 6: Final answer
    x = 93,026.39

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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.