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Finding the Fourth Proportional to 243,908.55, 365,897.25 and 75,443.63

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Solution

The fourth proportional to 243,908.55, 365,897.25 and 75,443.63 is: 113,176.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,908.55 : 365,897.25 = 75,443.63 : x
  2. Step 2: Convert to fraction form
    243,908.55/365,897.25 = 75,443.63/x
  3. Step 3: Cross multiply
    243,908.55x = 365,897.25 × 75,443.63
  4. Step 4: Simplify right side
    243,908.55x = 27,604,614,917.53
  5. Step 5: Solve for x
    x = 27,604,614,917.53/243,908.55
  6. Step 6: Final answer
    x = 113,176.09

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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.