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Finding the Fourth Proportional to 211,025.48, 316,569.48 and 61,267

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Solution

The fourth proportional to 211,025.48, 316,569.48 and 61,267 is: 91,909.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,025.48 : 316,569.48 = 61,267 : x
  2. Step 2: Convert to fraction form
    211,025.48/316,569.48 = 61,267/x
  3. Step 3: Cross multiply
    211,025.48x = 316,569.48 × 61,267
  4. Step 4: Simplify right side
    211,025.48x = 19,395,262,331.16
  5. Step 5: Solve for x
    x = 19,395,262,331.16/211,025.48
  6. Step 6: Final answer
    x = 91,909.58

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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.