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Finding the Fourth Proportional to 105,298.55, 157,787.10 and 62,519.74

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Solution

The fourth proportional to 105,298.55, 157,787.10 and 62,519.74 is: 93,684.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,298.55 : 157,787.10 = 62,519.74 : x
  2. Step 2: Convert to fraction form
    105,298.55/157,787.10 = 62,519.74/x
  3. Step 3: Cross multiply
    105,298.55x = 157,787.10 × 62,519.74
  4. Step 4: Simplify right side
    105,298.55x = 9,864,807,556.54
  5. Step 5: Solve for x
    x = 9,864,807,556.54/105,298.55
  6. Step 6: Final answer
    x = 93,684.18

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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.