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Finding the Fourth Proportional to 219,722.60, 329,583.90 and 101,358.92

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Solution

The fourth proportional to 219,722.60, 329,583.90 and 101,358.92 is: 152,038.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,722.60 : 329,583.90 = 101,358.92 : x
  2. Step 2: Convert to fraction form
    219,722.60/329,583.90 = 101,358.92/x
  3. Step 3: Cross multiply
    219,722.60x = 329,583.90 × 101,358.92
  4. Step 4: Simplify right side
    219,722.60x = 33,406,268,153.39
  5. Step 5: Solve for x
    x = 33,406,268,153.39/219,722.60
  6. Step 6: Final answer
    x = 152,038.38

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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.