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Finding the Fourth Proportional to 99,300.36, 148,866.63 and 43,097.97

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Solution

The fourth proportional to 99,300.36, 148,866.63 and 43,097.97 is: 64,610.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,300.36 : 148,866.63 = 43,097.97 : x
  2. Step 2: Convert to fraction form
    99,300.36/148,866.63 = 43,097.97/x
  3. Step 3: Cross multiply
    99,300.36x = 148,866.63 × 43,097.97
  4. Step 4: Simplify right side
    99,300.36x = 6,415,849,553.74
  5. Step 5: Solve for x
    x = 6,415,849,553.74/99,300.36
  6. Step 6: Final answer
    x = 64,610.54

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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.