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Finding the Fourth Proportional to 125,975.69, 173,846.43 and 69,387.07

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Solution

The fourth proportional to 125,975.69, 173,846.43 and 69,387.07 is: 95,754.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,975.69 : 173,846.43 = 69,387.07 : x
  2. Step 2: Convert to fraction form
    125,975.69/173,846.43 = 69,387.07/x
  3. Step 3: Cross multiply
    125,975.69x = 173,846.43 × 69,387.07
  4. Step 4: Simplify right side
    125,975.69x = 12,062,693,495.53
  5. Step 5: Solve for x
    x = 12,062,693,495.53/125,975.69
  6. Step 6: Final answer
    x = 95,754.14

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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.