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Finding the Fourth Proportional to 113,213.94, 169,807.50 and 38,333.94

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Solution

The fourth proportional to 113,213.94, 169,807.50 and 38,333.94 is: 57,496.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,213.94 : 169,807.50 = 38,333.94 : x
  2. Step 2: Convert to fraction form
    113,213.94/169,807.50 = 38,333.94/x
  3. Step 3: Cross multiply
    113,213.94x = 169,807.50 × 38,333.94
  4. Step 4: Simplify right side
    113,213.94x = 6,509,390,516.55
  5. Step 5: Solve for x
    x = 6,509,390,516.55/113,213.94
  6. Step 6: Final answer
    x = 57,496.37

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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.