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Finding the Fourth Proportional to 96,534.30, 144,801.45 and 73,206.30

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Solution

The fourth proportional to 96,534.30, 144,801.45 and 73,206.30 is: 109,809.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,534.30 : 144,801.45 = 73,206.30 : x
  2. Step 2: Convert to fraction form
    96,534.30/144,801.45 = 73,206.30/x
  3. Step 3: Cross multiply
    96,534.30x = 144,801.45 × 73,206.30
  4. Step 4: Simplify right side
    96,534.30x = 10,600,378,389.14
  5. Step 5: Solve for x
    x = 10,600,378,389.14/96,534.30
  6. Step 6: Final answer
    x = 109,809.45

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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.