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Finding the Fourth Proportional to 243,617.27, 365,488.95 and 75,133.87

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Solution

The fourth proportional to 243,617.27, 365,488.95 and 75,133.87 is: 112,720.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,617.27 : 365,488.95 = 75,133.87 : x
  2. Step 2: Convert to fraction form
    243,617.27/365,488.95 = 75,133.87/x
  3. Step 3: Cross multiply
    243,617.27x = 365,488.95 × 75,133.87
  4. Step 4: Simplify right side
    243,617.27x = 27,460,599,255.74
  5. Step 5: Solve for x
    x = 27,460,599,255.74/243,617.27
  6. Step 6: Final answer
    x = 112,720.25

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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.