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Finding the Fourth Proportional to 155,671.92, 214,832.52 and 92,064.24

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Solution

The fourth proportional to 155,671.92, 214,832.52 and 92,064.24 is: 127,051.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,671.92 : 214,832.52 = 92,064.24 : x
  2. Step 2: Convert to fraction form
    155,671.92/214,832.52 = 92,064.24/x
  3. Step 3: Cross multiply
    155,671.92x = 214,832.52 × 92,064.24
  4. Step 4: Simplify right side
    155,671.92x = 19,778,392,681.08
  5. Step 5: Solve for x
    x = 19,778,392,681.08/155,671.92
  6. Step 6: Final answer
    x = 127,051.77

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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.