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Finding the Fourth Proportional to 223,327.20, 334,875.60 and 83,013.60

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Solution

The fourth proportional to 223,327.20, 334,875.60 and 83,013.60 is: 124,477.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,327.20 : 334,875.60 = 83,013.60 : x
  2. Step 2: Convert to fraction form
    223,327.20/334,875.60 = 83,013.60/x
  3. Step 3: Cross multiply
    223,327.20x = 334,875.60 × 83,013.60
  4. Step 4: Simplify right side
    223,327.20x = 27,799,229,108.16
  5. Step 5: Solve for x
    x = 27,799,229,108.16/223,327.20
  6. Step 6: Final answer
    x = 124,477.58

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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.