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Finding the Fourth Proportional to 96,954.60, 145,431.90 and 59,629.80

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Solution

The fourth proportional to 96,954.60, 145,431.90 and 59,629.80 is: 89,444.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,954.60 : 145,431.90 = 59,629.80 : x
  2. Step 2: Convert to fraction form
    96,954.60/145,431.90 = 59,629.80/x
  3. Step 3: Cross multiply
    96,954.60x = 145,431.90 × 59,629.80
  4. Step 4: Simplify right side
    96,954.60x = 8,672,075,110.62
  5. Step 5: Solve for x
    x = 8,672,075,110.62/96,954.60
  6. Step 6: Final answer
    x = 89,444.70

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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.