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Finding the Fourth Proportional to 100,607.60, 150,911.40 and 99,052.40

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Solution

The fourth proportional to 100,607.60, 150,911.40 and 99,052.40 is: 148,578.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,607.60 : 150,911.40 = 99,052.40 : x
  2. Step 2: Convert to fraction form
    100,607.60/150,911.40 = 99,052.40/x
  3. Step 3: Cross multiply
    100,607.60x = 150,911.40 × 99,052.40
  4. Step 4: Simplify right side
    100,607.60x = 14,948,136,357.36
  5. Step 5: Solve for x
    x = 14,948,136,357.36/100,607.60
  6. Step 6: Final answer
    x = 148,578.60

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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.