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Finding the Fourth Proportional to 109,365.36, 150,923.70 and 60,966.65

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Solution

The fourth proportional to 109,365.36, 150,923.70 and 60,966.65 is: 84,133.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,365.36 : 150,923.70 = 60,966.65 : x
  2. Step 2: Convert to fraction form
    109,365.36/150,923.70 = 60,966.65/x
  3. Step 3: Cross multiply
    109,365.36x = 150,923.70 × 60,966.65
  4. Step 4: Simplify right side
    109,365.36x = 9,201,312,394.61
  5. Step 5: Solve for x
    x = 9,201,312,394.61/109,365.36
  6. Step 6: Final answer
    x = 84,133.70

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.