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Finding the Fourth Proportional to 268,154.02, 370,012.44 and 153,414.44

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Solution

The fourth proportional to 268,154.02, 370,012.44 and 153,414.44 is: 211,688.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,154.02 : 370,012.44 = 153,414.44 : x
  2. Step 2: Convert to fraction form
    268,154.02/370,012.44 = 153,414.44/x
  3. Step 3: Cross multiply
    268,154.02x = 370,012.44 × 153,414.44
  4. Step 4: Simplify right side
    268,154.02x = 56,765,250,350.60
  5. Step 5: Solve for x
    x = 56,765,250,350.60/268,154.02
  6. Step 6: Final answer
    x = 211,688.98

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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.