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Finding the Fourth Proportional to 216,784.68, 325,182.78 and 59,016.36

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Solution

The fourth proportional to 216,784.68, 325,182.78 and 59,016.36 is: 88,526.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,784.68 : 325,182.78 = 59,016.36 : x
  2. Step 2: Convert to fraction form
    216,784.68/325,182.78 = 59,016.36/x
  3. Step 3: Cross multiply
    216,784.68x = 325,182.78 × 59,016.36
  4. Step 4: Simplify right side
    216,784.68x = 19,191,104,010.28
  5. Step 5: Solve for x
    x = 19,191,104,010.28/216,784.68
  6. Step 6: Final answer
    x = 88,526.11

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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.