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Finding the Fourth Proportional to 231,220.01, 319,124.22 and 134,453.81

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Solution

The fourth proportional to 231,220.01, 319,124.22 and 134,453.81 is: 185,569.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,220.01 : 319,124.22 = 134,453.81 : x
  2. Step 2: Convert to fraction form
    231,220.01/319,124.22 = 134,453.81/x
  3. Step 3: Cross multiply
    231,220.01x = 319,124.22 × 134,453.81
  4. Step 4: Simplify right side
    231,220.01x = 42,907,465,646.66
  5. Step 5: Solve for x
    x = 42,907,465,646.66/231,220.01
  6. Step 6: Final answer
    x = 185,569.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.