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Finding the Fourth Proportional to 211,854.76, 317,739.08 and 62,054.83

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Solution

The fourth proportional to 211,854.76, 317,739.08 and 62,054.83 is: 93,069.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,854.76 : 317,739.08 = 62,054.83 : x
  2. Step 2: Convert to fraction form
    211,854.76/317,739.08 = 62,054.83/x
  3. Step 3: Cross multiply
    211,854.76x = 317,739.08 × 62,054.83
  4. Step 4: Simplify right side
    211,854.76x = 19,717,244,593.76
  5. Step 5: Solve for x
    x = 19,717,244,593.76/211,854.76
  6. Step 6: Final answer
    x = 93,069.63

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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.