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Finding the Fourth Proportional to 124,326.60, 186,489.90 and 41,220.60

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Solution

The fourth proportional to 124,326.60, 186,489.90 and 41,220.60 is: 61,830.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,326.60 : 186,489.90 = 41,220.60 : x
  2. Step 2: Convert to fraction form
    124,326.60/186,489.90 = 41,220.60/x
  3. Step 3: Cross multiply
    124,326.60x = 186,489.90 × 41,220.60
  4. Step 4: Simplify right side
    124,326.60x = 7,687,225,571.94
  5. Step 5: Solve for x
    x = 7,687,225,571.94/124,326.60
  6. Step 6: Final answer
    x = 61,830.90

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1.5x scale

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.