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Finding the Fourth Proportional to 135,101.66, 202,621.67 and 50,870.70

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Solution

The fourth proportional to 135,101.66, 202,621.67 and 50,870.70 is: 76,294.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,101.66 : 202,621.67 = 50,870.70 : x
  2. Step 2: Convert to fraction form
    135,101.66/202,621.67 = 50,870.70/x
  3. Step 3: Cross multiply
    135,101.66x = 202,621.67 × 50,870.70
  4. Step 4: Simplify right side
    135,101.66x = 10,307,506,188.07
  5. Step 5: Solve for x
    x = 10,307,506,188.07/135,101.66
  6. Step 6: Final answer
    x = 76,294.45

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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.