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Finding the Fourth Proportional to 211,953.66, 317,979.74 and 62,187.90

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Solution

The fourth proportional to 211,953.66, 317,979.74 and 62,187.90 is: 93,296.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,953.66 : 317,979.74 = 62,187.90 : x
  2. Step 2: Convert to fraction form
    211,953.66/317,979.74 = 62,187.90/x
  3. Step 3: Cross multiply
    211,953.66x = 317,979.74 × 62,187.90
  4. Step 4: Simplify right side
    211,953.66x = 19,774,492,273.15
  5. Step 5: Solve for x
    x = 19,774,492,273.15/211,953.66
  6. Step 6: Final answer
    x = 93,296.30

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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.