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Finding the Fourth Proportional to 192,419.86, 288,629.76 and 59,300.12

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Solution

The fourth proportional to 192,419.86, 288,629.76 and 59,300.12 is: 88,950.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,419.86 : 288,629.76 = 59,300.12 : x
  2. Step 2: Convert to fraction form
    192,419.86/288,629.76 = 59,300.12/x
  3. Step 3: Cross multiply
    192,419.86x = 288,629.76 × 59,300.12
  4. Step 4: Simplify right side
    192,419.86x = 17,115,779,403.57
  5. Step 5: Solve for x
    x = 17,115,779,403.57/192,419.86
  6. Step 6: Final answer
    x = 88,950.17

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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.