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Finding the Fourth Proportional to 268,111.04, 402,216 and 88,206.59

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Solution

The fourth proportional to 268,111.04, 402,216 and 88,206.59 is: 132,326.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,111.04 : 402,216 = 88,206.59 : x
  2. Step 2: Convert to fraction form
    268,111.04/402,216 = 88,206.59/x
  3. Step 3: Cross multiply
    268,111.04x = 402,216 × 88,206.59
  4. Step 4: Simplify right side
    268,111.04x = 35,478,099,792.36
  5. Step 5: Solve for x
    x = 35,478,099,792.36/268,111.04
  6. Step 6: Final answer
    x = 132,326.15

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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.