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Finding the Fourth Proportional to 114,152.46, 157,494.69 and 68,844.30

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Solution

The fourth proportional to 114,152.46, 157,494.69 and 68,844.30 is: 94,983.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,152.46 : 157,494.69 = 68,844.30 : x
  2. Step 2: Convert to fraction form
    114,152.46/157,494.69 = 68,844.30/x
  3. Step 3: Cross multiply
    114,152.46x = 157,494.69 × 68,844.30
  4. Step 4: Simplify right side
    114,152.46x = 10,842,611,686.77
  5. Step 5: Solve for x
    x = 10,842,611,686.77/114,152.46
  6. Step 6: Final answer
    x = 94,983.60

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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.