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Finding the Fourth Proportional to 124,303.85, 171,540.45 and 75,246.60

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Solution

The fourth proportional to 124,303.85, 171,540.45 and 75,246.60 is: 103,841.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,303.85 : 171,540.45 = 75,246.60 : x
  2. Step 2: Convert to fraction form
    124,303.85/171,540.45 = 75,246.60/x
  3. Step 3: Cross multiply
    124,303.85x = 171,540.45 × 75,246.60
  4. Step 4: Simplify right side
    124,303.85x = 12,907,835,624.97
  5. Step 5: Solve for x
    x = 12,907,835,624.97/124,303.85
  6. Step 6: Final answer
    x = 103,841.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.