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Finding the Fourth Proportional to 254,332, 381,566.04 and 88,120

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Solution

The fourth proportional to 254,332, 381,566.04 and 88,120 is: 132,203.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,332 : 381,566.04 = 88,120 : x
  2. Step 2: Convert to fraction form
    254,332/381,566.04 = 88,120/x
  3. Step 3: Cross multiply
    254,332x = 381,566.04 × 88,120
  4. Step 4: Simplify right side
    254,332x = 33,623,599,444.80
  5. Step 5: Solve for x
    x = 33,623,599,444.80/254,332
  6. Step 6: Final answer
    x = 132,203.57

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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.