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Finding the Fourth Proportional to 151,516.88, 209,099.77 and 84,448.88

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Solution

The fourth proportional to 151,516.88, 209,099.77 and 84,448.88 is: 116,543.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,516.88 : 209,099.77 = 84,448.88 : x
  2. Step 2: Convert to fraction form
    151,516.88/209,099.77 = 84,448.88/x
  3. Step 3: Cross multiply
    151,516.88x = 209,099.77 × 84,448.88
  4. Step 4: Simplify right side
    151,516.88x = 17,658,240,128.14
  5. Step 5: Solve for x
    x = 17,658,240,128.14/151,516.88
  6. Step 6: Final answer
    x = 116,543.06

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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.