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Finding the Fourth Proportional to 155,374.74, 233,069.40 and 55,582.20

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Solution

The fourth proportional to 155,374.74, 233,069.40 and 55,582.20 is: 83,375.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,374.74 : 233,069.40 = 55,582.20 : x
  2. Step 2: Convert to fraction form
    155,374.74/233,069.40 = 55,582.20/x
  3. Step 3: Cross multiply
    155,374.74x = 233,069.40 × 55,582.20
  4. Step 4: Simplify right side
    155,374.74x = 12,954,510,004.68
  5. Step 5: Solve for x
    x = 12,954,510,004.68/155,374.74
  6. Step 6: Final answer
    x = 83,375.91

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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.