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Finding the Fourth Proportional to 125,847.88, 173,669.70 and 69,259.21

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Solution

The fourth proportional to 125,847.88, 173,669.70 and 69,259.21 is: 95,577.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,847.88 : 173,669.70 = 69,259.21 : x
  2. Step 2: Convert to fraction form
    125,847.88/173,669.70 = 69,259.21/x
  3. Step 3: Cross multiply
    125,847.88x = 173,669.70 × 69,259.21
  4. Step 4: Simplify right side
    125,847.88x = 12,028,226,222.94
  5. Step 5: Solve for x
    x = 12,028,226,222.94/125,847.88
  6. Step 6: Final answer
    x = 95,577.50

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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.