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Finding the Fourth Proportional to 219,732.10, 329,598.15 and 152,080.90

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Solution

The fourth proportional to 219,732.10, 329,598.15 and 152,080.90 is: 228,121.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,732.10 : 329,598.15 = 152,080.90 : x
  2. Step 2: Convert to fraction form
    219,732.10/329,598.15 = 152,080.90/x
  3. Step 3: Cross multiply
    219,732.10x = 329,598.15 × 152,080.90
  4. Step 4: Simplify right side
    219,732.10x = 50,125,583,290.34
  5. Step 5: Solve for x
    x = 50,125,583,290.34/219,732.10
  6. Step 6: Final answer
    x = 228,121.35

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1.5x scale

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.