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Finding the Fourth Proportional to 125,953.55, 173,808.02 and 69,364.92

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Solution

The fourth proportional to 125,953.55, 173,808.02 and 69,364.92 is: 95,719.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,953.55 : 173,808.02 = 69,364.92 : x
  2. Step 2: Convert to fraction form
    125,953.55/173,808.02 = 69,364.92/x
  3. Step 3: Cross multiply
    125,953.55x = 173,808.02 × 69,364.92
  4. Step 4: Simplify right side
    125,953.55x = 12,056,179,402.66
  5. Step 5: Solve for x
    x = 12,056,179,402.66/125,953.55
  6. Step 6: Final answer
    x = 95,719.25

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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.