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Finding the Fourth Proportional to 125,953.40, 173,814.54 and 69,363.56

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Solution

The fourth proportional to 125,953.40, 173,814.54 and 69,363.56 is: 95,721.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,953.40 : 173,814.54 = 69,363.56 : x
  2. Step 2: Convert to fraction form
    125,953.40/173,814.54 = 69,363.56/x
  3. Step 3: Cross multiply
    125,953.40x = 173,814.54 × 69,363.56
  4. Step 4: Simplify right side
    125,953.40x = 12,056,395,274.16
  5. Step 5: Solve for x
    x = 12,056,395,274.16/125,953.40
  6. Step 6: Final answer
    x = 95,721.08

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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.