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Finding the Fourth Proportional to 219,347.76, 302,700.30 and 118,745.76

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Solution

The fourth proportional to 219,347.76, 302,700.30 and 118,745.76 is: 163,869.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,347.76 : 302,700.30 = 118,745.76 : x
  2. Step 2: Convert to fraction form
    219,347.76/302,700.30 = 118,745.76/x
  3. Step 3: Cross multiply
    219,347.76x = 302,700.30 × 118,745.76
  4. Step 4: Simplify right side
    219,347.76x = 35,944,377,175.73
  5. Step 5: Solve for x
    x = 35,944,377,175.73/219,347.76
  6. Step 6: Final answer
    x = 163,869.36

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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.