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Finding the Fourth Proportional to 162,868.04, 224,767.11 and 91,271.12

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Solution

The fourth proportional to 162,868.04, 224,767.11 and 91,271.12 is: 125,959.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,868.04 : 224,767.11 = 91,271.12 : x
  2. Step 2: Convert to fraction form
    162,868.04/224,767.11 = 91,271.12/x
  3. Step 3: Cross multiply
    162,868.04x = 224,767.11 × 91,271.12
  4. Step 4: Simplify right side
    162,868.04x = 20,514,744,745.03
  5. Step 5: Solve for x
    x = 20,514,744,745.03/162,868.04
  6. Step 6: Final answer
    x = 125,959.31

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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.