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Finding the Fourth Proportional to 175,693.93, 263,590.13 and 70,586.71

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Solution

The fourth proportional to 175,693.93, 263,590.13 and 70,586.71 is: 105,899.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,693.93 : 263,590.13 = 70,586.71 : x
  2. Step 2: Convert to fraction form
    175,693.93/263,590.13 = 70,586.71/x
  3. Step 3: Cross multiply
    175,693.93x = 263,590.13 × 70,586.71
  4. Step 4: Simplify right side
    175,693.93x = 18,605,959,582.66
  5. Step 5: Solve for x
    x = 18,605,959,582.66/175,693.93
  6. Step 6: Final answer
    x = 105,899.84

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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.