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Finding the Fourth Proportional to 216,784.18, 325,182.03 and 59,015.86

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Solution

The fourth proportional to 216,784.18, 325,182.03 and 59,015.86 is: 88,525.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,784.18 : 325,182.03 = 59,015.86 : x
  2. Step 2: Convert to fraction form
    216,784.18/325,182.03 = 59,015.86/x
  3. Step 3: Cross multiply
    216,784.18x = 325,182.03 × 59,015.86
  4. Step 4: Simplify right side
    216,784.18x = 19,190,897,157.00
  5. Step 5: Solve for x
    x = 19,190,897,157.00/216,784.18
  6. Step 6: Final answer
    x = 88,525.36

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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.