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Finding the Fourth Proportional to 216,709.68, 325,063.04 and 58,937.52

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Solution

The fourth proportional to 216,709.68, 325,063.04 and 58,937.52 is: 88,405.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,709.68 : 325,063.04 = 58,937.52 : x
  2. Step 2: Convert to fraction form
    216,709.68/325,063.04 = 58,937.52/x
  3. Step 3: Cross multiply
    216,709.68x = 325,063.04 × 58,937.52
  4. Step 4: Simplify right side
    216,709.68x = 19,158,409,421.26
  5. Step 5: Solve for x
    x = 19,158,409,421.26/216,709.68
  6. Step 6: Final answer
    x = 88,405.88

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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.