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Finding the Fourth Proportional to 268,246, 402,418.56 and 88,341.52

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Solution

The fourth proportional to 268,246, 402,418.56 and 88,341.52 is: 132,528.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,246 : 402,418.56 = 88,341.52 : x
  2. Step 2: Convert to fraction form
    268,246/402,418.56 = 88,341.52/x
  3. Step 3: Cross multiply
    268,246x = 402,418.56 × 88,341.52
  4. Step 4: Simplify right side
    268,246x = 35,550,267,266.61
  5. Step 5: Solve for x
    x = 35,550,267,266.61/268,246
  6. Step 6: Final answer
    x = 132,528.60

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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.