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Finding the Fourth Proportional to 155,292, 232,938 and 38,556

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Solution

The fourth proportional to 155,292, 232,938 and 38,556 is: 57,834

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,292 : 232,938 = 38,556 : x
  2. Step 2: Convert to fraction form
    155,292/232,938 = 38,556/x
  3. Step 3: Cross multiply
    155,292x = 232,938 × 38,556
  4. Step 4: Simplify right side
    155,292x = 8,981,157,528
  5. Step 5: Solve for x
    x = 8,981,157,528/155,292
  6. Step 6: Final answer
    x = 57,834

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.