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Finding the Fourth Proportional to 125,697.42, 173,461.91 and 69,107.58

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Solution

The fourth proportional to 125,697.42, 173,461.91 and 69,107.58 is: 95,368.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,697.42 : 173,461.91 = 69,107.58 : x
  2. Step 2: Convert to fraction form
    125,697.42/173,461.91 = 69,107.58/x
  3. Step 3: Cross multiply
    125,697.42x = 173,461.91 × 69,107.58
  4. Step 4: Simplify right side
    125,697.42x = 11,987,532,476.74
  5. Step 5: Solve for x
    x = 11,987,532,476.74/125,697.42
  6. Step 6: Final answer
    x = 95,368.17

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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.