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Finding the Fourth Proportional to 243,866.99, 365,709.57 and 83,898.20

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Solution

The fourth proportional to 243,866.99, 365,709.57 and 83,898.20 is: 125,816.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,866.99 : 365,709.57 = 83,898.20 : x
  2. Step 2: Convert to fraction form
    243,866.99/365,709.57 = 83,898.20/x
  3. Step 3: Cross multiply
    243,866.99x = 365,709.57 × 83,898.20
  4. Step 4: Simplify right side
    243,866.99x = 30,682,374,645.77
  5. Step 5: Solve for x
    x = 30,682,374,645.77/243,866.99
  6. Step 6: Final answer
    x = 125,816.02

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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.