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Finding the Fourth Proportional to 135,701.10, 203,551.65 and 93,710.70

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Solution

The fourth proportional to 135,701.10, 203,551.65 and 93,710.70 is: 140,566.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,701.10 : 203,551.65 = 93,710.70 : x
  2. Step 2: Convert to fraction form
    135,701.10/203,551.65 = 93,710.70/x
  3. Step 3: Cross multiply
    135,701.10x = 203,551.65 × 93,710.70
  4. Step 4: Simplify right side
    135,701.10x = 19,074,967,607.66
  5. Step 5: Solve for x
    x = 19,074,967,607.66/135,701.10
  6. Step 6: Final answer
    x = 140,566.05

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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.