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Finding the Fourth Proportional to 216,767.39, 299,241.27 and 163,072.89

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Solution

The fourth proportional to 216,767.39, 299,241.27 and 163,072.89 is: 225,117.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,767.39 : 299,241.27 = 163,072.89 : x
  2. Step 2: Convert to fraction form
    216,767.39/299,241.27 = 163,072.89/x
  3. Step 3: Cross multiply
    216,767.39x = 299,241.27 × 163,072.89
  4. Step 4: Simplify right side
    216,767.39x = 48,798,138,706.17
  5. Step 5: Solve for x
    x = 48,798,138,706.17/216,767.39
  6. Step 6: Final answer
    x = 225,117.53

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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.