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Finding the Fourth Proportional to 172,069.68, 237,542.48 and 107,574.74

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Solution

The fourth proportional to 172,069.68, 237,542.48 and 107,574.74 is: 148,507.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,069.68 : 237,542.48 = 107,574.74 : x
  2. Step 2: Convert to fraction form
    172,069.68/237,542.48 = 107,574.74/x
  3. Step 3: Cross multiply
    172,069.68x = 237,542.48 × 107,574.74
  4. Step 4: Simplify right side
    172,069.68x = 25,553,570,524.96
  5. Step 5: Solve for x
    x = 25,553,570,524.96/172,069.68
  6. Step 6: Final answer
    x = 148,507.11

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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.