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Finding the Fourth Proportional to 364,991.47, 547,539.59 and 112,293.18

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Solution

The fourth proportional to 364,991.47, 547,539.59 and 112,293.18 is: 168,455.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,991.47 : 547,539.59 = 112,293.18 : x
  2. Step 2: Convert to fraction form
    364,991.47/547,539.59 = 112,293.18/x
  3. Step 3: Cross multiply
    364,991.47x = 547,539.59 × 112,293.18
  4. Step 4: Simplify right side
    364,991.47x = 61,484,962,017.73
  5. Step 5: Solve for x
    x = 61,484,962,017.73/364,991.47
  6. Step 6: Final answer
    x = 168,455.89

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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.