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Finding the Fourth Proportional to 171,001.70, 256,502.55 and 46,342.70

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Solution

The fourth proportional to 171,001.70, 256,502.55 and 46,342.70 is: 69,514.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,001.70 : 256,502.55 = 46,342.70 : x
  2. Step 2: Convert to fraction form
    171,001.70/256,502.55 = 46,342.70/x
  3. Step 3: Cross multiply
    171,001.70x = 256,502.55 × 46,342.70
  4. Step 4: Simplify right side
    171,001.70x = 11,887,020,723.89
  5. Step 5: Solve for x
    x = 11,887,020,723.89/171,001.70
  6. Step 6: Final answer
    x = 69,514.05

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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.