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Finding the Fourth Proportional to 207,033.60, 310,550.40 and 73,918.20

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Solution

The fourth proportional to 207,033.60, 310,550.40 and 73,918.20 is: 110,877.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,033.60 : 310,550.40 = 73,918.20 : x
  2. Step 2: Convert to fraction form
    207,033.60/310,550.40 = 73,918.20/x
  3. Step 3: Cross multiply
    207,033.60x = 310,550.40 × 73,918.20
  4. Step 4: Simplify right side
    207,033.60x = 22,955,326,577.28
  5. Step 5: Solve for x
    x = 22,955,326,577.28/207,033.60
  6. Step 6: Final answer
    x = 110,877.30

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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.