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Finding the Fourth Proportional to 176,685.80, 265,028.70 and 65,863.40

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Solution

The fourth proportional to 176,685.80, 265,028.70 and 65,863.40 is: 98,795.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,685.80 : 265,028.70 = 65,863.40 : x
  2. Step 2: Convert to fraction form
    176,685.80/265,028.70 = 65,863.40/x
  3. Step 3: Cross multiply
    176,685.80x = 265,028.70 × 65,863.40
  4. Step 4: Simplify right side
    176,685.80x = 17,455,691,279.58
  5. Step 5: Solve for x
    x = 17,455,691,279.58/176,685.80
  6. Step 6: Final answer
    x = 98,795.10

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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.