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Finding the Fourth Proportional to 243,775.08, 365,515.10 and 159,433.64

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Solution

The fourth proportional to 243,775.08, 365,515.10 and 159,433.64 is: 239,053.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,775.08 : 365,515.10 = 159,433.64 : x
  2. Step 2: Convert to fraction form
    243,775.08/365,515.10 = 159,433.64/x
  3. Step 3: Cross multiply
    243,775.08x = 365,515.10 × 159,433.64
  4. Step 4: Simplify right side
    243,775.08x = 58,275,402,867.96
  5. Step 5: Solve for x
    x = 58,275,402,867.96/243,775.08
  6. Step 6: Final answer
    x = 239,053.98

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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.