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Finding the Fourth Proportional to 216,784.41, 325,143.81 and 59,025.30

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Solution

The fourth proportional to 216,784.41, 325,143.81 and 59,025.30 is: 88,529.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,784.41 : 325,143.81 = 59,025.30 : x
  2. Step 2: Convert to fraction form
    216,784.41/325,143.81 = 59,025.30/x
  3. Step 3: Cross multiply
    216,784.41x = 325,143.81 × 59,025.30
  4. Step 4: Simplify right side
    216,784.41x = 19,191,710,928.39
  5. Step 5: Solve for x
    x = 19,191,710,928.39/216,784.41
  6. Step 6: Final answer
    x = 88,529.02

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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.