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Finding the Fourth Proportional to 195,628.80, 293,443.20 and 102,316.80

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Solution

The fourth proportional to 195,628.80, 293,443.20 and 102,316.80 is: 153,475.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,628.80 : 293,443.20 = 102,316.80 : x
  2. Step 2: Convert to fraction form
    195,628.80/293,443.20 = 102,316.80/x
  3. Step 3: Cross multiply
    195,628.80x = 293,443.20 × 102,316.80
  4. Step 4: Simplify right side
    195,628.80x = 30,024,169,205.76
  5. Step 5: Solve for x
    x = 30,024,169,205.76/195,628.80
  6. Step 6: Final answer
    x = 153,475.20

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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.