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Finding the Fourth Proportional to 161,206.40, 241,713.60 and 98,921.60

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Solution

The fourth proportional to 161,206.40, 241,713.60 and 98,921.60 is: 148,323.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,206.40 : 241,713.60 = 98,921.60 : x
  2. Step 2: Convert to fraction form
    161,206.40/241,713.60 = 98,921.60/x
  3. Step 3: Cross multiply
    161,206.40x = 241,713.60 × 98,921.60
  4. Step 4: Simplify right side
    161,206.40x = 23,910,696,053.76
  5. Step 5: Solve for x
    x = 23,910,696,053.76/161,206.40
  6. Step 6: Final answer
    x = 148,323.49

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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.