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Finding the Fourth Proportional to 96,801.60, 145,202.40 and 70,363.20

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Solution

The fourth proportional to 96,801.60, 145,202.40 and 70,363.20 is: 105,544.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,801.60 : 145,202.40 = 70,363.20 : x
  2. Step 2: Convert to fraction form
    96,801.60/145,202.40 = 70,363.20/x
  3. Step 3: Cross multiply
    96,801.60x = 145,202.40 × 70,363.20
  4. Step 4: Simplify right side
    96,801.60x = 10,216,905,511.68
  5. Step 5: Solve for x
    x = 10,216,905,511.68/96,801.60
  6. Step 6: Final answer
    x = 105,544.80

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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.