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Finding the Fourth Proportional to 125,798.50, 173,601.93 and 69,208.66

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Solution

The fourth proportional to 125,798.50, 173,601.93 and 69,208.66 is: 95,507.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,798.50 : 173,601.93 = 69,208.66 : x
  2. Step 2: Convert to fraction form
    125,798.50/173,601.93 = 69,208.66/x
  3. Step 3: Cross multiply
    125,798.50x = 173,601.93 × 69,208.66
  4. Step 4: Simplify right side
    125,798.50x = 12,014,756,948.71
  5. Step 5: Solve for x
    x = 12,014,756,948.71/125,798.50
  6. Step 6: Final answer
    x = 95,507.95

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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.