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Finding the Fourth Proportional to 185,949.86, 278,813.90 and 73,646.18

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Solution

The fourth proportional to 185,949.86, 278,813.90 and 73,646.18 is: 110,425.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,949.86 : 278,813.90 = 73,646.18 : x
  2. Step 2: Convert to fraction form
    185,949.86/278,813.90 = 73,646.18/x
  3. Step 3: Cross multiply
    185,949.86x = 278,813.90 × 73,646.18
  4. Step 4: Simplify right side
    185,949.86x = 20,533,578,665.90
  5. Step 5: Solve for x
    x = 20,533,578,665.90/185,949.86
  6. Step 6: Final answer
    x = 110,425.35

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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.