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Finding the Fourth Proportional to 195,711.80, 293,130.30 and 160,719.80

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Solution

The fourth proportional to 195,711.80, 293,130.30 and 160,719.80 is: 240,720.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,711.80 : 293,130.30 = 160,719.80 : x
  2. Step 2: Convert to fraction form
    195,711.80/293,130.30 = 160,719.80/x
  3. Step 3: Cross multiply
    195,711.80x = 293,130.30 × 160,719.80
  4. Step 4: Simplify right side
    195,711.80x = 47,111,843,189.94
  5. Step 5: Solve for x
    x = 47,111,843,189.94/195,711.80
  6. Step 6: Final answer
    x = 240,720.50

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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.