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Finding the Fourth Proportional to 188,615.16, 282,862.08 and 62,226.72

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Solution

The fourth proportional to 188,615.16, 282,862.08 and 62,226.72 is: 93,320.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,615.16 : 282,862.08 = 62,226.72 : x
  2. Step 2: Convert to fraction form
    188,615.16/282,862.08 = 62,226.72/x
  3. Step 3: Cross multiply
    188,615.16x = 282,862.08 × 62,226.72
  4. Step 4: Simplify right side
    188,615.16x = 17,601,579,450.78
  5. Step 5: Solve for x
    x = 17,601,579,450.78/188,615.16
  6. Step 6: Final answer
    x = 93,320.07

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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.