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Finding the Fourth Proportional to 110,592.68, 152,610.90 and 72,917.96

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Solution

The fourth proportional to 110,592.68, 152,610.90 and 72,917.96 is: 100,622.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,592.68 : 152,610.90 = 72,917.96 : x
  2. Step 2: Convert to fraction form
    110,592.68/152,610.90 = 72,917.96/x
  3. Step 3: Cross multiply
    110,592.68x = 152,610.90 × 72,917.96
  4. Step 4: Simplify right side
    110,592.68x = 11,128,075,501.76
  5. Step 5: Solve for x
    x = 11,128,075,501.76/110,592.68
  6. Step 6: Final answer
    x = 100,622.17

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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.