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Finding the Fourth Proportional to 151,403.88, 208,713.20 and 96,950.01

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Solution

The fourth proportional to 151,403.88, 208,713.20 and 96,950.01 is: 133,647.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,403.88 : 208,713.20 = 96,950.01 : x
  2. Step 2: Convert to fraction form
    151,403.88/208,713.20 = 96,950.01/x
  3. Step 3: Cross multiply
    151,403.88x = 208,713.20 × 96,950.01
  4. Step 4: Simplify right side
    151,403.88x = 20,234,746,342.38
  5. Step 5: Solve for x
    x = 20,234,746,342.38/151,403.88
  6. Step 6: Final answer
    x = 133,647.48

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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.