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Finding the Fourth Proportional to 219,348.44, 302,700.95 and 118,746.44

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Solution

The fourth proportional to 219,348.44, 302,700.95 and 118,746.44 is: 163,870.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,348.44 : 302,700.95 = 118,746.44 : x
  2. Step 2: Convert to fraction form
    219,348.44/302,700.95 = 118,746.44/x
  3. Step 3: Cross multiply
    219,348.44x = 302,700.95 × 118,746.44
  4. Step 4: Simplify right side
    219,348.44x = 35,944,660,197.12
  5. Step 5: Solve for x
    x = 35,944,660,197.12/219,348.44
  6. Step 6: Final answer
    x = 163,870.14

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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.