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Finding the Fourth Proportional to 235,139.31, 324,271.22 and 181,339.11

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Solution

The fourth proportional to 235,139.31, 324,271.22 and 181,339.11 is: 250,077.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,139.31 : 324,271.22 = 181,339.11 : x
  2. Step 2: Convert to fraction form
    235,139.31/324,271.22 = 181,339.11/x
  3. Step 3: Cross multiply
    235,139.31x = 324,271.22 × 181,339.11
  4. Step 4: Simplify right side
    235,139.31x = 58,803,053,526.72
  5. Step 5: Solve for x
    x = 58,803,053,526.72/235,139.31
  6. Step 6: Final answer
    x = 250,077.51

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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.