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Finding the Fourth Proportional to 99,101.60, 148,450.80 and 61,546.40

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Solution

The fourth proportional to 99,101.60, 148,450.80 and 61,546.40 is: 92,194.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,101.60 : 148,450.80 = 61,546.40 : x
  2. Step 2: Convert to fraction form
    99,101.60/148,450.80 = 61,546.40/x
  3. Step 3: Cross multiply
    99,101.60x = 148,450.80 × 61,546.40
  4. Step 4: Simplify right side
    99,101.60x = 9,136,612,317.12
  5. Step 5: Solve for x
    x = 9,136,612,317.12/99,101.60
  6. Step 6: Final answer
    x = 92,194.40

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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.