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Finding the Fourth Proportional to 155,663.92, 214,821.48 and 92,056.24

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Solution

The fourth proportional to 155,663.92, 214,821.48 and 92,056.24 is: 127,040.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,663.92 : 214,821.48 = 92,056.24 : x
  2. Step 2: Convert to fraction form
    155,663.92/214,821.48 = 92,056.24/x
  3. Step 3: Cross multiply
    155,663.92x = 214,821.48 × 92,056.24
  4. Step 4: Simplify right side
    155,663.92x = 19,775,657,720.04
  5. Step 5: Solve for x
    x = 19,775,657,720.04/155,663.92
  6. Step 6: Final answer
    x = 127,040.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.