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Finding the Fourth Proportional to 217,352, 299,946.58 and 126,770.52

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Solution

The fourth proportional to 217,352, 299,946.58 and 126,770.52 is: 174,943.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,352 : 299,946.58 = 126,770.52 : x
  2. Step 2: Convert to fraction form
    217,352/299,946.58 = 126,770.52/x
  3. Step 3: Cross multiply
    217,352x = 299,946.58 × 126,770.52
  4. Step 4: Simplify right side
    217,352x = 38,024,383,918.82
  5. Step 5: Solve for x
    x = 38,024,383,918.82/217,352
  6. Step 6: Final answer
    x = 174,943.80

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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.