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Finding the Fourth Proportional to 125,741.84, 173,474.51 and 71,997.93

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Solution

The fourth proportional to 125,741.84, 173,474.51 and 71,997.93 is: 99,328.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,741.84 : 173,474.51 = 71,997.93 : x
  2. Step 2: Convert to fraction form
    125,741.84/173,474.51 = 71,997.93/x
  3. Step 3: Cross multiply
    125,741.84x = 173,474.51 × 71,997.93
  4. Step 4: Simplify right side
    125,741.84x = 12,489,805,267.77
  5. Step 5: Solve for x
    x = 12,489,805,267.77/125,741.84
  6. Step 6: Final answer
    x = 99,328.96

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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.