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Finding the Fourth Proportional to 96,467.40, 144,701.10 and 43,979.40

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Solution

The fourth proportional to 96,467.40, 144,701.10 and 43,979.40 is: 65,969.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,467.40 : 144,701.10 = 43,979.40 : x
  2. Step 2: Convert to fraction form
    96,467.40/144,701.10 = 43,979.40/x
  3. Step 3: Cross multiply
    96,467.40x = 144,701.10 × 43,979.40
  4. Step 4: Simplify right side
    96,467.40x = 6,363,867,557.34
  5. Step 5: Solve for x
    x = 6,363,867,557.34/96,467.40
  6. Step 6: Final answer
    x = 65,969.10

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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.