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Finding the Fourth Proportional to 162,017.80, 242,832.30 and 83,091.40

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Solution

The fourth proportional to 162,017.80, 242,832.30 and 83,091.40 is: 124,537.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,017.80 : 242,832.30 = 83,091.40 : x
  2. Step 2: Convert to fraction form
    162,017.80/242,832.30 = 83,091.40/x
  3. Step 3: Cross multiply
    162,017.80x = 242,832.30 × 83,091.40
  4. Step 4: Simplify right side
    162,017.80x = 20,177,275,772.22
  5. Step 5: Solve for x
    x = 20,177,275,772.22/162,017.80
  6. Step 6: Final answer
    x = 124,537.40

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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.