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Finding the Fourth Proportional to 171,285.74, 256,864.71 and 58,934.18

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Solution

The fourth proportional to 171,285.74, 256,864.71 and 58,934.18 is: 88,379.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,285.74 : 256,864.71 = 58,934.18 : x
  2. Step 2: Convert to fraction form
    171,285.74/256,864.71 = 58,934.18/x
  3. Step 3: Cross multiply
    171,285.74x = 256,864.71 × 58,934.18
  4. Step 4: Simplify right side
    171,285.74x = 15,138,111,054.79
  5. Step 5: Solve for x
    x = 15,138,111,054.79/171,285.74
  6. Step 6: Final answer
    x = 88,379.28

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1.5x scale

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.