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Finding the Fourth Proportional to 125,975.84, 173,846.65 and 69,387.21

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Solution

The fourth proportional to 125,975.84, 173,846.65 and 69,387.21 is: 95,754.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,975.84 : 173,846.65 = 69,387.21 : x
  2. Step 2: Convert to fraction form
    125,975.84/173,846.65 = 69,387.21/x
  3. Step 3: Cross multiply
    125,975.84x = 173,846.65 × 69,387.21
  4. Step 4: Simplify right side
    125,975.84x = 12,062,734,011.35
  5. Step 5: Solve for x
    x = 12,062,734,011.35/125,975.84
  6. Step 6: Final answer
    x = 95,754.34

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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.