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Finding the Fourth Proportional to 110,553.88, 152,588.96 and 70,259.80

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Solution

The fourth proportional to 110,553.88, 152,588.96 and 70,259.80 is: 96,974.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,553.88 : 152,588.96 = 70,259.80 : x
  2. Step 2: Convert to fraction form
    110,553.88/152,588.96 = 70,259.80/x
  3. Step 3: Cross multiply
    110,553.88x = 152,588.96 × 70,259.80
  4. Step 4: Simplify right side
    110,553.88x = 10,720,869,811.81
  5. Step 5: Solve for x
    x = 10,720,869,811.81/110,553.88
  6. Step 6: Final answer
    x = 96,974.16

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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.