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Finding the Fourth Proportional to 98,577.80, 147,924.30 and 36,254.60

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Solution

The fourth proportional to 98,577.80, 147,924.30 and 36,254.60 is: 54,403.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,577.80 : 147,924.30 = 36,254.60 : x
  2. Step 2: Convert to fraction form
    98,577.80/147,924.30 = 36,254.60/x
  3. Step 3: Cross multiply
    98,577.80x = 147,924.30 × 36,254.60
  4. Step 4: Simplify right side
    98,577.80x = 5,362,936,326.78
  5. Step 5: Solve for x
    x = 5,362,936,326.78/98,577.80
  6. Step 6: Final answer
    x = 54,403.08

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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.