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Finding the Fourth Proportional to 163,856.19, 245,797.55 and 45,527.55

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Solution

The fourth proportional to 163,856.19, 245,797.55 and 45,527.55 is: 68,295.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,856.19 : 245,797.55 = 45,527.55 : x
  2. Step 2: Convert to fraction form
    163,856.19/245,797.55 = 45,527.55/x
  3. Step 3: Cross multiply
    163,856.19x = 245,797.55 × 45,527.55
  4. Step 4: Simplify right side
    163,856.19x = 11,190,560,247.50
  5. Step 5: Solve for x
    x = 11,190,560,247.50/163,856.19
  6. Step 6: Final answer
    x = 68,295.01

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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.