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Finding the Fourth Proportional to 199,358.56, 299,095.56 and 59,120.56

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Solution

The fourth proportional to 199,358.56, 299,095.56 and 59,120.56 is: 88,697.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,358.56 : 299,095.56 = 59,120.56 : x
  2. Step 2: Convert to fraction form
    199,358.56/299,095.56 = 59,120.56/x
  3. Step 3: Cross multiply
    199,358.56x = 299,095.56 × 59,120.56
  4. Step 4: Simplify right side
    199,358.56x = 17,682,697,000.71
  5. Step 5: Solve for x
    x = 17,682,697,000.71/199,358.56
  6. Step 6: Final answer
    x = 88,697.96

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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.