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Finding the Fourth Proportional to 124,424.30, 186,636.45 and 73,904.60

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Solution

The fourth proportional to 124,424.30, 186,636.45 and 73,904.60 is: 110,856.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,424.30 : 186,636.45 = 73,904.60 : x
  2. Step 2: Convert to fraction form
    124,424.30/186,636.45 = 73,904.60/x
  3. Step 3: Cross multiply
    124,424.30x = 186,636.45 × 73,904.60
  4. Step 4: Simplify right side
    124,424.30x = 13,793,292,182.67
  5. Step 5: Solve for x
    x = 13,793,292,182.67/124,424.30
  6. Step 6: Final answer
    x = 110,856.90

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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.