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Finding the Fourth Proportional to 243,508.52, 365,262.76 and 66,015.52

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Solution

The fourth proportional to 243,508.52, 365,262.76 and 66,015.52 is: 99,023.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,508.52 : 365,262.76 = 66,015.52 : x
  2. Step 2: Convert to fraction form
    243,508.52/365,262.76 = 66,015.52/x
  3. Step 3: Cross multiply
    243,508.52x = 365,262.76 × 66,015.52
  4. Step 4: Simplify right side
    243,508.52x = 24,113,011,038.04
  5. Step 5: Solve for x
    x = 24,113,011,038.04/243,508.52
  6. Step 6: Final answer
    x = 99,023.27

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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.