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Finding the Fourth Proportional to 175,661.70, 263,492.55 and 163,911.30

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Solution

The fourth proportional to 175,661.70, 263,492.55 and 163,911.30 is: 245,866.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,661.70 : 263,492.55 = 163,911.30 : x
  2. Step 2: Convert to fraction form
    175,661.70/263,492.55 = 163,911.30/x
  3. Step 3: Cross multiply
    175,661.70x = 263,492.55 × 163,911.30
  4. Step 4: Simplify right side
    175,661.70x = 43,189,406,410.82
  5. Step 5: Solve for x
    x = 43,189,406,410.82/175,661.70
  6. Step 6: Final answer
    x = 245,866.95

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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.