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Finding the Fourth Proportional to 219,907.83, 329,862.56 and 93,530.01

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Solution

The fourth proportional to 219,907.83, 329,862.56 and 93,530.01 is: 140,295.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,907.83 : 329,862.56 = 93,530.01 : x
  2. Step 2: Convert to fraction form
    219,907.83/329,862.56 = 93,530.01/x
  3. Step 3: Cross multiply
    219,907.83x = 329,862.56 × 93,530.01
  4. Step 4: Simplify right side
    219,907.83x = 30,852,048,535.43
  5. Step 5: Solve for x
    x = 30,852,048,535.43/219,907.83
  6. Step 6: Final answer
    x = 140,295.36

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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.