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Finding the Fourth Proportional to 207,404.96, 285,616.13 and 180,168.57

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Solution

The fourth proportional to 207,404.96, 285,616.13 and 180,168.57 is: 248,109.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,404.96 : 285,616.13 = 180,168.57 : x
  2. Step 2: Convert to fraction form
    207,404.96/285,616.13 = 180,168.57/x
  3. Step 3: Cross multiply
    207,404.96x = 285,616.13 × 180,168.57
  4. Step 4: Simplify right side
    207,404.96x = 51,459,048,810.19
  5. Step 5: Solve for x
    x = 51,459,048,810.19/207,404.96
  6. Step 6: Final answer
    x = 248,109.06

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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.