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Finding the Fourth Proportional to 217,122.44, 299,812.50 and 163,313.72

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Solution

The fourth proportional to 217,122.44, 299,812.50 and 163,313.72 is: 225,510.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,122.44 : 299,812.50 = 163,313.72 : x
  2. Step 2: Convert to fraction form
    217,122.44/299,812.50 = 163,313.72/x
  3. Step 3: Cross multiply
    217,122.44x = 299,812.50 × 163,313.72
  4. Step 4: Simplify right side
    217,122.44x = 48,963,494,677.50
  5. Step 5: Solve for x
    x = 48,963,494,677.50/217,122.44
  6. Step 6: Final answer
    x = 225,510.98

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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.