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Finding the Fourth Proportional to 125,847.90, 173,670.12 and 69,259.32

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Solution

The fourth proportional to 125,847.90, 173,670.12 and 69,259.32 is: 95,577.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,847.90 : 173,670.12 = 69,259.32 : x
  2. Step 2: Convert to fraction form
    125,847.90/173,670.12 = 69,259.32/x
  3. Step 3: Cross multiply
    125,847.90x = 173,670.12 × 69,259.32
  4. Step 4: Simplify right side
    125,847.90x = 12,028,274,415.52
  5. Step 5: Solve for x
    x = 12,028,274,415.52/125,847.90
  6. Step 6: Final answer
    x = 95,577.87

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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.