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Finding the Fourth Proportional to 162,325.84, 223,995.09 and 90,695.92

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Solution

The fourth proportional to 162,325.84, 223,995.09 and 90,695.92 is: 125,152.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,325.84 : 223,995.09 = 90,695.92 : x
  2. Step 2: Convert to fraction form
    162,325.84/223,995.09 = 90,695.92/x
  3. Step 3: Cross multiply
    162,325.84x = 223,995.09 × 90,695.92
  4. Step 4: Simplify right side
    162,325.84x = 20,315,440,763.03
  5. Step 5: Solve for x
    x = 20,315,440,763.03/162,325.84
  6. Step 6: Final answer
    x = 125,152.23

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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.