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Finding the Fourth Proportional to 155,999.92, 233,856.36 and 84,818.54

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Solution

The fourth proportional to 155,999.92, 233,856.36 and 84,818.54 is: 127,149.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,999.92 : 233,856.36 = 84,818.54 : x
  2. Step 2: Convert to fraction form
    155,999.92/233,856.36 = 84,818.54/x
  3. Step 3: Cross multiply
    155,999.92x = 233,856.36 × 84,818.54
  4. Step 4: Simplify right side
    155,999.92x = 19,835,355,024.91
  5. Step 5: Solve for x
    x = 19,835,355,024.91/155,999.92
  6. Step 6: Final answer
    x = 127,149.77

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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.