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Finding the Fourth Proportional to 73,201.60, 109,802.40 and 41,708.80

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Solution

The fourth proportional to 73,201.60, 109,802.40 and 41,708.80 is: 62,563.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,201.60 : 109,802.40 = 41,708.80 : x
  2. Step 2: Convert to fraction form
    73,201.60/109,802.40 = 41,708.80/x
  3. Step 3: Cross multiply
    73,201.60x = 109,802.40 × 41,708.80
  4. Step 4: Simplify right side
    73,201.60x = 4,579,726,341.12
  5. Step 5: Solve for x
    x = 4,579,726,341.12/73,201.60
  6. Step 6: Final answer
    x = 62,563.20

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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.