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Finding the Fourth Proportional to 136,154.40, 204,231.60 and 98,829.60

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Solution

The fourth proportional to 136,154.40, 204,231.60 and 98,829.60 is: 148,244.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,154.40 : 204,231.60 = 98,829.60 : x
  2. Step 2: Convert to fraction form
    136,154.40/204,231.60 = 98,829.60/x
  3. Step 3: Cross multiply
    136,154.40x = 204,231.60 × 98,829.60
  4. Step 4: Simplify right side
    136,154.40x = 20,184,127,335.36
  5. Step 5: Solve for x
    x = 20,184,127,335.36/136,154.40
  6. Step 6: Final answer
    x = 148,244.40

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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.