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Finding the Fourth Proportional to 188,806.68, 260,420.54 and 124,255.35

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Solution

The fourth proportional to 188,806.68, 260,420.54 and 124,255.35 is: 171,385.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,806.68 : 260,420.54 = 124,255.35 : x
  2. Step 2: Convert to fraction form
    188,806.68/260,420.54 = 124,255.35/x
  3. Step 3: Cross multiply
    188,806.68x = 260,420.54 × 124,255.35
  4. Step 4: Simplify right side
    188,806.68x = 32,358,644,723.61
  5. Step 5: Solve for x
    x = 32,358,644,723.61/188,806.68
  6. Step 6: Final answer
    x = 171,385.06

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1.5x scale

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.