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Finding the Fourth Proportional to 146,407.92, 202,042.92 and 79,339.92

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Solution

The fourth proportional to 146,407.92, 202,042.92 and 79,339.92 is: 109,489.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,407.92 : 202,042.92 = 79,339.92 : x
  2. Step 2: Convert to fraction form
    146,407.92/202,042.92 = 79,339.92/x
  3. Step 3: Cross multiply
    146,407.92x = 202,042.92 × 79,339.92
  4. Step 4: Simplify right side
    146,407.92x = 16,030,069,109.37
  5. Step 5: Solve for x
    x = 16,030,069,109.37/146,407.92
  6. Step 6: Final answer
    x = 109,489.08

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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.