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Finding the Fourth Proportional to 261,163.54, 360,516 and 176,395.42

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Solution

The fourth proportional to 261,163.54, 360,516 and 176,395.42 is: 243,500.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,163.54 : 360,516 = 176,395.42 : x
  2. Step 2: Convert to fraction form
    261,163.54/360,516 = 176,395.42/x
  3. Step 3: Cross multiply
    261,163.54x = 360,516 × 176,395.42
  4. Step 4: Simplify right side
    261,163.54x = 63,593,371,236.72
  5. Step 5: Solve for x
    x = 63,593,371,236.72/261,163.54
  6. Step 6: Final answer
    x = 243,500.19

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1.5x scale

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.