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Finding the Fourth Proportional to 124,683.54, 187,049.71 and 45,798.38

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Solution

The fourth proportional to 124,683.54, 187,049.71 and 45,798.38 is: 68,706.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,683.54 : 187,049.71 = 45,798.38 : x
  2. Step 2: Convert to fraction form
    124,683.54/187,049.71 = 45,798.38/x
  3. Step 3: Cross multiply
    124,683.54x = 187,049.71 × 45,798.38
  4. Step 4: Simplify right side
    124,683.54x = 8,566,573,697.47
  5. Step 5: Solve for x
    x = 8,566,573,697.47/124,683.54
  6. Step 6: Final answer
    x = 68,706.53

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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.