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Finding the Fourth Proportional to 273,384.57, 377,025.13 and 171,421.16

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Solution

The fourth proportional to 273,384.57, 377,025.13 and 171,421.16 is: 236,407.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,384.57 : 377,025.13 = 171,421.16 : x
  2. Step 2: Convert to fraction form
    273,384.57/377,025.13 = 171,421.16/x
  3. Step 3: Cross multiply
    273,384.57x = 377,025.13 × 171,421.16
  4. Step 4: Simplify right side
    273,384.57x = 64,630,085,583.67
  5. Step 5: Solve for x
    x = 64,630,085,583.67/273,384.57
  6. Step 6: Final answer
    x = 236,407.22

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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.