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Finding the Fourth Proportional to 215,862.74, 297,972.70 and 162,303.32

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Solution

The fourth proportional to 215,862.74, 297,972.70 and 162,303.32 is: 224,040.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,862.74 : 297,972.70 = 162,303.32 : x
  2. Step 2: Convert to fraction form
    215,862.74/297,972.70 = 162,303.32/x
  3. Step 3: Cross multiply
    215,862.74x = 297,972.70 × 162,303.32
  4. Step 4: Simplify right side
    215,862.74x = 48,361,958,479.36
  5. Step 5: Solve for x
    x = 48,361,958,479.36/215,862.74
  6. Step 6: Final answer
    x = 224,040.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.