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Finding the Fourth Proportional to 292,568.50, 403,744.53 and 158,432.50

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Solution

The fourth proportional to 292,568.50, 403,744.53 and 158,432.50 is: 218,636.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,568.50 : 403,744.53 = 158,432.50 : x
  2. Step 2: Convert to fraction form
    292,568.50/403,744.53 = 158,432.50/x
  3. Step 3: Cross multiply
    292,568.50x = 403,744.53 × 158,432.50
  4. Step 4: Simplify right side
    292,568.50x = 63,966,255,249.23
  5. Step 5: Solve for x
    x = 63,966,255,249.23/292,568.50
  6. Step 6: Final answer
    x = 218,636.85

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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.