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Finding the Fourth Proportional to 125,745.62, 173,526.10 and 69,157.94

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Solution

The fourth proportional to 125,745.62, 173,526.10 and 69,157.94 is: 95,436.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,745.62 : 173,526.10 = 69,157.94 : x
  2. Step 2: Convert to fraction form
    125,745.62/173,526.10 = 69,157.94/x
  3. Step 3: Cross multiply
    125,745.62x = 173,526.10 × 69,157.94
  4. Step 4: Simplify right side
    125,745.62x = 12,000,706,571.71
  5. Step 5: Solve for x
    x = 12,000,706,571.71/125,745.62
  6. Step 6: Final answer
    x = 95,436.38

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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.