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Finding the Fourth Proportional to 259,630.92, 358,206.30 and 144,890.64

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Solution

The fourth proportional to 259,630.92, 358,206.30 and 144,890.64 is: 199,902.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,630.92 : 358,206.30 = 144,890.64 : x
  2. Step 2: Convert to fraction form
    259,630.92/358,206.30 = 144,890.64/x
  3. Step 3: Cross multiply
    259,630.92x = 358,206.30 × 144,890.64
  4. Step 4: Simplify right side
    259,630.92x = 51,900,740,059.03
  5. Step 5: Solve for x
    x = 51,900,740,059.03/259,630.92
  6. Step 6: Final answer
    x = 199,902.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.