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Finding the Fourth Proportional to 162,345.92, 224,036.76 and 90,725.92

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Solution

The fourth proportional to 162,345.92, 224,036.76 and 90,725.92 is: 125,201.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,345.92 : 224,036.76 = 90,725.92 : x
  2. Step 2: Convert to fraction form
    162,345.92/224,036.76 = 90,725.92/x
  3. Step 3: Cross multiply
    162,345.92x = 224,036.76 × 90,725.92
  4. Step 4: Simplify right side
    162,345.92x = 20,325,941,164.82
  5. Step 5: Solve for x
    x = 20,325,941,164.82/162,345.92
  6. Step 6: Final answer
    x = 125,201.43

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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.