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Finding the Fourth Proportional to 192,570.72, 288,862 and 52,332.32

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Solution

The fourth proportional to 192,570.72, 288,862 and 52,332.32 is: 78,500.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,570.72 : 288,862 = 52,332.32 : x
  2. Step 2: Convert to fraction form
    192,570.72/288,862 = 52,332.32/x
  3. Step 3: Cross multiply
    192,570.72x = 288,862 × 52,332.32
  4. Step 4: Simplify right side
    192,570.72x = 15,116,818,619.84
  5. Step 5: Solve for x
    x = 15,116,818,619.84/192,570.72
  6. Step 6: Final answer
    x = 78,500.09

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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.