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Finding the Fourth Proportional to 217,195.71, 299,552.36 and 152,877.86

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Solution

The fourth proportional to 217,195.71, 299,552.36 and 152,877.86 is: 210,846.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,195.71 : 299,552.36 = 152,877.86 : x
  2. Step 2: Convert to fraction form
    217,195.71/299,552.36 = 152,877.86/x
  3. Step 3: Cross multiply
    217,195.71x = 299,552.36 × 152,877.86
  4. Step 4: Simplify right side
    217,195.71x = 45,794,921,492.60
  5. Step 5: Solve for x
    x = 45,794,921,492.60/217,195.71
  6. Step 6: Final answer
    x = 210,846.34

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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.