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Finding the Fourth Proportional to 291,995.20, 402,893.22 and 167,792.16

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Solution

The fourth proportional to 291,995.20, 402,893.22 and 167,792.16 is: 231,518.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,995.20 : 402,893.22 = 167,792.16 : x
  2. Step 2: Convert to fraction form
    291,995.20/402,893.22 = 167,792.16/x
  3. Step 3: Cross multiply
    291,995.20x = 402,893.22 × 167,792.16
  4. Step 4: Simplify right side
    291,995.20x = 67,602,323,633.16
  5. Step 5: Solve for x
    x = 67,602,323,633.16/291,995.20
  6. Step 6: Final answer
    x = 231,518.61

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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.