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Finding the Fourth Proportional to 234,012.80, 350,701.08 and 98,964.60

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Solution

The fourth proportional to 234,012.80, 350,701.08 and 98,964.60 is: 148,312.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,012.80 : 350,701.08 = 98,964.60 : x
  2. Step 2: Convert to fraction form
    234,012.80/350,701.08 = 98,964.60/x
  3. Step 3: Cross multiply
    234,012.80x = 350,701.08 × 98,964.60
  4. Step 4: Simplify right side
    234,012.80x = 34,706,992,101.77
  5. Step 5: Solve for x
    x = 34,706,992,101.77/234,012.80
  6. Step 6: Final answer
    x = 148,312.37

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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.