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Finding the Fourth Proportional to 194,463.40, 291,824.70 and 89,228.20

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Solution

The fourth proportional to 194,463.40, 291,824.70 and 89,228.20 is: 133,901.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,463.40 : 291,824.70 = 89,228.20 : x
  2. Step 2: Convert to fraction form
    194,463.40/291,824.70 = 89,228.20/x
  3. Step 3: Cross multiply
    194,463.40x = 291,824.70 × 89,228.20
  4. Step 4: Simplify right side
    194,463.40x = 26,038,992,696.54
  5. Step 5: Solve for x
    x = 26,038,992,696.54/194,463.40
  6. Step 6: Final answer
    x = 133,901.77

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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.