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Finding the Fourth Proportional to 159,497.40, 239,246.10 and 133,253.40

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Solution

The fourth proportional to 159,497.40, 239,246.10 and 133,253.40 is: 199,880.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,497.40 : 239,246.10 = 133,253.40 : x
  2. Step 2: Convert to fraction form
    159,497.40/239,246.10 = 133,253.40/x
  3. Step 3: Cross multiply
    159,497.40x = 239,246.10 × 133,253.40
  4. Step 4: Simplify right side
    159,497.40x = 31,880,356,261.74
  5. Step 5: Solve for x
    x = 31,880,356,261.74/159,497.40
  6. Step 6: Final answer
    x = 199,880.10

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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.