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Finding the Fourth Proportional to 144,029.40, 216,044.10 and 109,037.40

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Solution

The fourth proportional to 144,029.40, 216,044.10 and 109,037.40 is: 163,556.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,029.40 : 216,044.10 = 109,037.40 : x
  2. Step 2: Convert to fraction form
    144,029.40/216,044.10 = 109,037.40/x
  3. Step 3: Cross multiply
    144,029.40x = 216,044.10 × 109,037.40
  4. Step 4: Simplify right side
    144,029.40x = 23,556,886,949.34
  5. Step 5: Solve for x
    x = 23,556,886,949.34/144,029.40
  6. Step 6: Final answer
    x = 163,556.10

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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.