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Finding the Fourth Proportional to 168,590.62, 232,659.76 and 93,143.98

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Solution

The fourth proportional to 168,590.62, 232,659.76 and 93,143.98 is: 128,541.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,590.62 : 232,659.76 = 93,143.98 : x
  2. Step 2: Convert to fraction form
    168,590.62/232,659.76 = 93,143.98/x
  3. Step 3: Cross multiply
    168,590.62x = 232,659.76 × 93,143.98
  4. Step 4: Simplify right side
    168,590.62x = 21,670,856,032.24
  5. Step 5: Solve for x
    x = 21,670,856,032.24/168,590.62
  6. Step 6: Final answer
    x = 128,541.29

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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.