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Finding the Fourth Proportional to 163,601.70, 245,402.55 and 110,724.90

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Solution

The fourth proportional to 163,601.70, 245,402.55 and 110,724.90 is: 166,087.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,601.70 : 245,402.55 = 110,724.90 : x
  2. Step 2: Convert to fraction form
    163,601.70/245,402.55 = 110,724.90/x
  3. Step 3: Cross multiply
    163,601.70x = 245,402.55 × 110,724.90
  4. Step 4: Simplify right side
    163,601.70x = 27,172,172,808.50
  5. Step 5: Solve for x
    x = 27,172,172,808.50/163,601.70
  6. Step 6: Final answer
    x = 166,087.35

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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.