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Finding the Fourth Proportional to 243,661.23, 365,526.15 and 75,195.24

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Solution

The fourth proportional to 243,661.23, 365,526.15 and 75,195.24 is: 112,803.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,661.23 : 365,526.15 = 75,195.24 : x
  2. Step 2: Convert to fraction form
    243,661.23/365,526.15 = 75,195.24/x
  3. Step 3: Cross multiply
    243,661.23x = 365,526.15 × 75,195.24
  4. Step 4: Simplify right side
    243,661.23x = 27,485,826,575.53
  5. Step 5: Solve for x
    x = 27,485,826,575.53/243,661.23
  6. Step 6: Final answer
    x = 112,803.45

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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.