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Finding the Fourth Proportional to 155,620.60, 232,893.30 and 93,335.80

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Solution

The fourth proportional to 155,620.60, 232,893.30 and 93,335.80 is: 139,681.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,620.60 : 232,893.30 = 93,335.80 : x
  2. Step 2: Convert to fraction form
    155,620.60/232,893.30 = 93,335.80/x
  3. Step 3: Cross multiply
    155,620.60x = 232,893.30 × 93,335.80
  4. Step 4: Simplify right side
    155,620.60x = 21,737,282,470.14
  5. Step 5: Solve for x
    x = 21,737,282,470.14/155,620.60
  6. Step 6: Final answer
    x = 139,681.27

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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.