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Finding the Fourth Proportional to 168,415.04, 232,412.72 and 92,963.52

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Solution

The fourth proportional to 168,415.04, 232,412.72 and 92,963.52 is: 128,289.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,415.04 : 232,412.72 = 92,963.52 : x
  2. Step 2: Convert to fraction form
    168,415.04/232,412.72 = 92,963.52/x
  3. Step 3: Cross multiply
    168,415.04x = 232,412.72 × 92,963.52
  4. Step 4: Simplify right side
    168,415.04x = 21,605,904,543.97
  5. Step 5: Solve for x
    x = 21,605,904,543.97/168,415.04
  6. Step 6: Final answer
    x = 128,289.64

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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.