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Finding the Fourth Proportional to 172,394.10, 237,932.16 and 100,760.13

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Solution

The fourth proportional to 172,394.10, 237,932.16 and 100,760.13 is: 139,065.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,394.10 : 237,932.16 = 100,760.13 : x
  2. Step 2: Convert to fraction form
    172,394.10/237,932.16 = 100,760.13/x
  3. Step 3: Cross multiply
    172,394.10x = 237,932.16 × 100,760.13
  4. Step 4: Simplify right side
    172,394.10x = 23,974,075,372.78
  5. Step 5: Solve for x
    x = 23,974,075,372.78/172,394.10
  6. Step 6: Final answer
    x = 139,065.52

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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.