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Finding the Fourth Proportional to 162,612.92, 243,927.56 and 51,813.56

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Solution

The fourth proportional to 162,612.92, 243,927.56 and 51,813.56 is: 77,722.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,612.92 : 243,927.56 = 51,813.56 : x
  2. Step 2: Convert to fraction form
    162,612.92/243,927.56 = 51,813.56/x
  3. Step 3: Cross multiply
    162,612.92x = 243,927.56 × 51,813.56
  4. Step 4: Simplify right side
    162,612.92x = 12,638,755,265.71
  5. Step 5: Solve for x
    x = 12,638,755,265.71/162,612.92
  6. Step 6: Final answer
    x = 77,722.95

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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.