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Finding the Fourth Proportional to 162,612.93, 244,023.53 and 87,785.19

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Solution

The fourth proportional to 162,612.93, 244,023.53 and 87,785.19 is: 131,734.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,612.93 : 244,023.53 = 87,785.19 : x
  2. Step 2: Convert to fraction form
    162,612.93/244,023.53 = 87,785.19/x
  3. Step 3: Cross multiply
    162,612.93x = 244,023.53 × 87,785.19
  4. Step 4: Simplify right side
    162,612.93x = 21,421,651,506.59
  5. Step 5: Solve for x
    x = 21,421,651,506.59/162,612.93
  6. Step 6: Final answer
    x = 131,734.00

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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.