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Finding the Fourth Proportional to 104,780.88, 144,595.08 and 60,066

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Solution

The fourth proportional to 104,780.88, 144,595.08 and 60,066 is: 82,889.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,780.88 : 144,595.08 = 60,066 : x
  2. Step 2: Convert to fraction form
    104,780.88/144,595.08 = 60,066/x
  3. Step 3: Cross multiply
    104,780.88x = 144,595.08 × 60,066
  4. Step 4: Simplify right side
    104,780.88x = 8,685,248,075.28
  5. Step 5: Solve for x
    x = 8,685,248,075.28/104,780.88
  6. Step 6: Final answer
    x = 82,889.63

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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.