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Finding the Fourth Proportional to 125,955.65, 173,817.64 and 69,365.81

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Solution

The fourth proportional to 125,955.65, 173,817.64 and 69,365.81 is: 95,724.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,955.65 : 173,817.64 = 69,365.81 : x
  2. Step 2: Convert to fraction form
    125,955.65/173,817.64 = 69,365.81/x
  3. Step 3: Cross multiply
    125,955.65x = 173,817.64 × 69,365.81
  4. Step 4: Simplify right side
    125,955.65x = 12,057,001,390.89
  5. Step 5: Solve for x
    x = 12,057,001,390.89/125,955.65
  6. Step 6: Final answer
    x = 95,724.18

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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.