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Finding the Fourth Proportional to 262,370.92, 362,061.14 and 154,975.72

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Solution

The fourth proportional to 262,370.92, 362,061.14 and 154,975.72 is: 213,860.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,370.92 : 362,061.14 = 154,975.72 : x
  2. Step 2: Convert to fraction form
    262,370.92/362,061.14 = 154,975.72/x
  3. Step 3: Cross multiply
    262,370.92x = 362,061.14 × 154,975.72
  4. Step 4: Simplify right side
    262,370.92x = 56,110,685,855.52
  5. Step 5: Solve for x
    x = 56,110,685,855.52/262,370.92
  6. Step 6: Final answer
    x = 213,860.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.