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Finding the Fourth Proportional to 96,398.94, 144,619.56 and 28,928.10

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Solution

The fourth proportional to 96,398.94, 144,619.56 and 28,928.10 is: 43,398.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,398.94 : 144,619.56 = 28,928.10 : x
  2. Step 2: Convert to fraction form
    96,398.94/144,619.56 = 28,928.10/x
  3. Step 3: Cross multiply
    96,398.94x = 144,619.56 × 28,928.10
  4. Step 4: Simplify right side
    96,398.94x = 4,183,569,093.64
  5. Step 5: Solve for x
    x = 4,183,569,093.64/96,398.94
  6. Step 6: Final answer
    x = 43,398.50

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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.