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Finding the Fourth Proportional to 219,732.60, 329,598.90 and 152,081.40

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Solution

The fourth proportional to 219,732.60, 329,598.90 and 152,081.40 is: 228,122.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,732.60 : 329,598.90 = 152,081.40 : x
  2. Step 2: Convert to fraction form
    219,732.60/329,598.90 = 152,081.40/x
  3. Step 3: Cross multiply
    219,732.60x = 329,598.90 × 152,081.40
  4. Step 4: Simplify right side
    219,732.60x = 50,125,862,150.46
  5. Step 5: Solve for x
    x = 50,125,862,150.46/219,732.60
  6. Step 6: Final answer
    x = 228,122.10

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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.