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Finding the Fourth Proportional to 100,903.60, 151,355.40 and 96,065.20

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Solution

The fourth proportional to 100,903.60, 151,355.40 and 96,065.20 is: 144,097.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,903.60 : 151,355.40 = 96,065.20 : x
  2. Step 2: Convert to fraction form
    100,903.60/151,355.40 = 96,065.20/x
  3. Step 3: Cross multiply
    100,903.60x = 151,355.40 × 96,065.20
  4. Step 4: Simplify right side
    100,903.60x = 14,539,986,772.08
  5. Step 5: Solve for x
    x = 14,539,986,772.08/100,903.60
  6. Step 6: Final answer
    x = 144,097.80

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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.