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Finding the Fourth Proportional to 112,097.49, 168,102.50 and 48,936.93

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Solution

The fourth proportional to 112,097.49, 168,102.50 and 48,936.93 is: 73,386.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,097.49 : 168,102.50 = 48,936.93 : x
  2. Step 2: Convert to fraction form
    112,097.49/168,102.50 = 48,936.93/x
  3. Step 3: Cross multiply
    112,097.49x = 168,102.50 × 48,936.93
  4. Step 4: Simplify right side
    112,097.49x = 8,226,420,030.64
  5. Step 5: Solve for x
    x = 8,226,420,030.64/112,097.49
  6. Step 6: Final answer
    x = 73,386.30

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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.