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Finding the Fourth Proportional to 172,106.88, 237,506.56 and 96,655.36

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Solution

The fourth proportional to 172,106.88, 237,506.56 and 96,655.36 is: 133,383.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,106.88 : 237,506.56 = 96,655.36 : x
  2. Step 2: Convert to fraction form
    172,106.88/237,506.56 = 96,655.36/x
  3. Step 3: Cross multiply
    172,106.88x = 237,506.56 × 96,655.36
  4. Step 4: Simplify right side
    172,106.88x = 22,956,282,059.16
  5. Step 5: Solve for x
    x = 22,956,282,059.16/172,106.88
  6. Step 6: Final answer
    x = 133,383.87

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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.