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Finding the Fourth Proportional to 243,534.56, 365,267.34 and 83,607.88

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Solution

The fourth proportional to 243,534.56, 365,267.34 and 83,607.88 is: 125,399.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,534.56 : 365,267.34 = 83,607.88 : x
  2. Step 2: Convert to fraction form
    243,534.56/365,267.34 = 83,607.88/x
  3. Step 3: Cross multiply
    243,534.56x = 365,267.34 × 83,607.88
  4. Step 4: Simplify right side
    243,534.56x = 30,539,227,930.64
  5. Step 5: Solve for x
    x = 30,539,227,930.64/243,534.56
  6. Step 6: Final answer
    x = 125,399.98

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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.