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Finding the Fourth Proportional to 201,910.51, 302,854.80 and 61,658.20

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Solution

The fourth proportional to 201,910.51, 302,854.80 and 61,658.20 is: 92,483.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,910.51 : 302,854.80 = 61,658.20 : x
  2. Step 2: Convert to fraction form
    201,910.51/302,854.80 = 61,658.20/x
  3. Step 3: Cross multiply
    201,910.51x = 302,854.80 × 61,658.20
  4. Step 4: Simplify right side
    201,910.51x = 18,673,481,829.36
  5. Step 5: Solve for x
    x = 18,673,481,829.36/201,910.51
  6. Step 6: Final answer
    x = 92,483.95

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1.5x scale

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.