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Finding the Fourth Proportional to 216,937.58, 325,281.77 and 115,610.88

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Solution

The fourth proportional to 216,937.58, 325,281.77 and 115,610.88 is: 173,349.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,937.58 : 325,281.77 = 115,610.88 : x
  2. Step 2: Convert to fraction form
    216,937.58/325,281.77 = 115,610.88/x
  3. Step 3: Cross multiply
    216,937.58x = 325,281.77 × 115,610.88
  4. Step 4: Simplify right side
    216,937.58x = 37,606,111,677.66
  5. Step 5: Solve for x
    x = 37,606,111,677.66/216,937.58
  6. Step 6: Final answer
    x = 173,349.92

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1.5x scale

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.