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Finding the Fourth Proportional to 168,471.48, 232,492.38 and 93,019.80

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Solution

The fourth proportional to 168,471.48, 232,492.38 and 93,019.80 is: 128,368.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,471.48 : 232,492.38 = 93,019.80 : x
  2. Step 2: Convert to fraction form
    168,471.48/232,492.38 = 93,019.80/x
  3. Step 3: Cross multiply
    168,471.48x = 232,492.38 × 93,019.80
  4. Step 4: Simplify right side
    168,471.48x = 21,626,394,689.12
  5. Step 5: Solve for x
    x = 21,626,394,689.12/168,471.48
  6. Step 6: Final answer
    x = 128,368.28

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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.