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Finding the Fourth Proportional to 124,683.54, 187,049.70 and 45,798.36

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Solution

The fourth proportional to 124,683.54, 187,049.70 and 45,798.36 is: 68,706.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,683.54 : 187,049.70 = 45,798.36 : x
  2. Step 2: Convert to fraction form
    124,683.54/187,049.70 = 45,798.36/x
  3. Step 3: Cross multiply
    124,683.54x = 187,049.70 × 45,798.36
  4. Step 4: Simplify right side
    124,683.54x = 8,566,569,498.49
  5. Step 5: Solve for x
    x = 8,566,569,498.49/124,683.54
  6. Step 6: Final answer
    x = 68,706.50

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1.5x scale

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.