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Finding the Fourth Proportional to 211,479.47, 317,237.84 and 59,677.90

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Solution

The fourth proportional to 211,479.47, 317,237.84 and 59,677.90 is: 89,522.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,479.47 : 317,237.84 = 59,677.90 : x
  2. Step 2: Convert to fraction form
    211,479.47/317,237.84 = 59,677.90/x
  3. Step 3: Cross multiply
    211,479.47x = 317,237.84 × 59,677.90
  4. Step 4: Simplify right side
    211,479.47x = 18,932,088,091.74
  5. Step 5: Solve for x
    x = 18,932,088,091.74/211,479.47
  6. Step 6: Final answer
    x = 89,522.11

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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.