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Finding the Fourth Proportional to 233,280.12, 349,975.71 and 75,508.56

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Solution

The fourth proportional to 233,280.12, 349,975.71 and 75,508.56 is: 113,280.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,280.12 : 349,975.71 = 75,508.56 : x
  2. Step 2: Convert to fraction form
    233,280.12/349,975.71 = 75,508.56/x
  3. Step 3: Cross multiply
    233,280.12x = 349,975.71 × 75,508.56
  4. Step 4: Simplify right side
    233,280.12x = 26,426,161,897.08
  5. Step 5: Solve for x
    x = 26,426,161,897.08/233,280.12
  6. Step 6: Final answer
    x = 113,280.81

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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.