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Finding the Fourth Proportional to 364,282.80, 546,424.14 and 98,043.90

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Solution

The fourth proportional to 364,282.80, 546,424.14 and 98,043.90 is: 147,065.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,282.80 : 546,424.14 = 98,043.90 : x
  2. Step 2: Convert to fraction form
    364,282.80/546,424.14 = 98,043.90/x
  3. Step 3: Cross multiply
    364,282.80x = 546,424.14 × 98,043.90
  4. Step 4: Simplify right side
    364,282.80x = 53,573,553,739.75
  5. Step 5: Solve for x
    x = 53,573,553,739.75/364,282.80
  6. Step 6: Final answer
    x = 147,065.83

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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.