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Finding the Fourth Proportional to 238,592.92, 357,889.44 and 112,140.31

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Solution

The fourth proportional to 238,592.92, 357,889.44 and 112,140.31 is: 168,210.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,592.92 : 357,889.44 = 112,140.31 : x
  2. Step 2: Convert to fraction form
    238,592.92/357,889.44 = 112,140.31/x
  3. Step 3: Cross multiply
    238,592.92x = 357,889.44 × 112,140.31
  4. Step 4: Simplify right side
    238,592.92x = 40,133,832,747.33
  5. Step 5: Solve for x
    x = 40,133,832,747.33/238,592.92
  6. Step 6: Final answer
    x = 168,210.49

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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.