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Finding the Fourth Proportional to 262,141.71, 361,752.10 and 147,420.33

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Solution

The fourth proportional to 262,141.71, 361,752.10 and 147,420.33 is: 203,438.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,141.71 : 361,752.10 = 147,420.33 : x
  2. Step 2: Convert to fraction form
    262,141.71/361,752.10 = 147,420.33/x
  3. Step 3: Cross multiply
    262,141.71x = 361,752.10 × 147,420.33
  4. Step 4: Simplify right side
    262,141.71x = 53,329,613,960.19
  5. Step 5: Solve for x
    x = 53,329,613,960.19/262,141.71
  6. Step 6: Final answer
    x = 203,438.11

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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.