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Finding the Fourth Proportional to 96,700.88, 133,413 and 63,186.32

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Solution

The fourth proportional to 96,700.88, 133,413 and 63,186.32 is: 87,174.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,700.88 : 133,413 = 63,186.32 : x
  2. Step 2: Convert to fraction form
    96,700.88/133,413 = 63,186.32/x
  3. Step 3: Cross multiply
    96,700.88x = 133,413 × 63,186.32
  4. Step 4: Simplify right side
    96,700.88x = 8,429,876,510.16
  5. Step 5: Solve for x
    x = 8,429,876,510.16/96,700.88
  6. Step 6: Final answer
    x = 87,174.77

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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.