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Finding the Fourth Proportional to 292,032.65, 402,928.90 and 171,108.96

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Solution

The fourth proportional to 292,032.65, 402,928.90 and 171,108.96 is: 236,085.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,032.65 : 402,928.90 = 171,108.96 : x
  2. Step 2: Convert to fraction form
    292,032.65/402,928.90 = 171,108.96/x
  3. Step 3: Cross multiply
    292,032.65x = 402,928.90 × 171,108.96
  4. Step 4: Simplify right side
    292,032.65x = 68,944,744,177.40
  5. Step 5: Solve for x
    x = 68,944,744,177.40/292,032.65
  6. Step 6: Final answer
    x = 236,085.74

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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.