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Finding the Fourth Proportional to 151,247.88, 208,811.93 and 134,432.82

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Solution

The fourth proportional to 151,247.88, 208,811.93 and 134,432.82 is: 185,597.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,247.88 : 208,811.93 = 134,432.82 : x
  2. Step 2: Convert to fraction form
    151,247.88/208,811.93 = 134,432.82/x
  3. Step 3: Cross multiply
    151,247.88x = 208,811.93 × 134,432.82
  4. Step 4: Simplify right side
    151,247.88x = 28,071,175,927.38
  5. Step 5: Solve for x
    x = 28,071,175,927.38/151,247.88
  6. Step 6: Final answer
    x = 185,597.15

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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.