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Finding the Fourth Proportional to 124,062.53, 186,124.97 and 39,830.22

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Solution

The fourth proportional to 124,062.53, 186,124.97 and 39,830.22 is: 59,755.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,062.53 : 186,124.97 = 39,830.22 : x
  2. Step 2: Convert to fraction form
    124,062.53/186,124.97 = 39,830.22/x
  3. Step 3: Cross multiply
    124,062.53x = 186,124.97 × 39,830.22
  4. Step 4: Simplify right side
    124,062.53x = 7,413,398,303.44
  5. Step 5: Solve for x
    x = 7,413,398,303.44/124,062.53
  6. Step 6: Final answer
    x = 59,755.34

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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.