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Finding the Fourth Proportional to 154,756.89, 213,602.49 and 94,360.83

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Solution

The fourth proportional to 154,756.89, 213,602.49 and 94,360.83 is: 130,241.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,756.89 : 213,602.49 = 94,360.83 : x
  2. Step 2: Convert to fraction form
    154,756.89/213,602.49 = 94,360.83/x
  3. Step 3: Cross multiply
    154,756.89x = 213,602.49 × 94,360.83
  4. Step 4: Simplify right side
    154,756.89x = 20,155,708,246.47
  5. Step 5: Solve for x
    x = 20,155,708,246.47/154,756.89
  6. Step 6: Final answer
    x = 130,241.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.