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Finding the Fourth Proportional to 219,142.99, 328,465.33 and 92,704.32

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Solution

The fourth proportional to 219,142.99, 328,465.33 and 92,704.32 is: 138,951.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,142.99 : 328,465.33 = 92,704.32 : x
  2. Step 2: Convert to fraction form
    219,142.99/328,465.33 = 92,704.32/x
  3. Step 3: Cross multiply
    219,142.99x = 328,465.33 × 92,704.32
  4. Step 4: Simplify right side
    219,142.99x = 30,450,155,061.23
  5. Step 5: Solve for x
    x = 30,450,155,061.23/219,142.99
  6. Step 6: Final answer
    x = 138,951.08

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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.