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Finding the Fourth Proportional to 219,830.70, 329,713.65 and 62,075.10

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Solution

The fourth proportional to 219,830.70, 329,713.65 and 62,075.10 is: 93,103.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,830.70 : 329,713.65 = 62,075.10 : x
  2. Step 2: Convert to fraction form
    219,830.70/329,713.65 = 62,075.10/x
  3. Step 3: Cross multiply
    219,830.70x = 329,713.65 × 62,075.10
  4. Step 4: Simplify right side
    219,830.70x = 20,467,007,795.12
  5. Step 5: Solve for x
    x = 20,467,007,795.12/219,830.70
  6. Step 6: Final answer
    x = 93,103.50

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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.