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Finding the Fourth Proportional to 59,844.80, 89,637.60 and 53,278.40

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Solution

The fourth proportional to 59,844.80, 89,637.60 and 53,278.40 is: 79,802.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,844.80 : 89,637.60 = 53,278.40 : x
  2. Step 2: Convert to fraction form
    59,844.80/89,637.60 = 53,278.40/x
  3. Step 3: Cross multiply
    59,844.80x = 89,637.60 × 53,278.40
  4. Step 4: Simplify right side
    59,844.80x = 4,775,747,907.84
  5. Step 5: Solve for x
    x = 4,775,747,907.84/59,844.80
  6. Step 6: Final answer
    x = 79,802.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.