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Finding the Fourth Proportional to 179,906.65, 248,275.05 and 99,339.29

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Solution

The fourth proportional to 179,906.65, 248,275.05 and 99,339.29 is: 137,090.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,906.65 : 248,275.05 = 99,339.29 : x
  2. Step 2: Convert to fraction form
    179,906.65/248,275.05 = 99,339.29/x
  3. Step 3: Cross multiply
    179,906.65x = 248,275.05 × 99,339.29
  4. Step 4: Simplify right side
    179,906.65x = 24,663,467,191.71
  5. Step 5: Solve for x
    x = 24,663,467,191.71/179,906.65
  6. Step 6: Final answer
    x = 137,090.36

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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.