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Finding the Fourth Proportional to 185,763.51, 278,645.22 and 45,520.92

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Solution

The fourth proportional to 185,763.51, 278,645.22 and 45,520.92 is: 68,281.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,763.51 : 278,645.22 = 45,520.92 : x
  2. Step 2: Convert to fraction form
    185,763.51/278,645.22 = 45,520.92/x
  3. Step 3: Cross multiply
    185,763.51x = 278,645.22 × 45,520.92
  4. Step 4: Simplify right side
    185,763.51x = 12,684,186,768.00
  5. Step 5: Solve for x
    x = 12,684,186,768.00/185,763.51
  6. Step 6: Final answer
    x = 68,281.37

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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.