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Finding the Fourth Proportional to 118,882.96, 164,075.29 and 73,575.54

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Solution

The fourth proportional to 118,882.96, 164,075.29 and 73,575.54 is: 101,544.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,882.96 : 164,075.29 = 73,575.54 : x
  2. Step 2: Convert to fraction form
    118,882.96/164,075.29 = 73,575.54/x
  3. Step 3: Cross multiply
    118,882.96x = 164,075.29 × 73,575.54
  4. Step 4: Simplify right side
    118,882.96x = 12,071,927,878.47
  5. Step 5: Solve for x
    x = 12,071,927,878.47/118,882.96
  6. Step 6: Final answer
    x = 101,544.65

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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.