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Finding the Fourth Proportional to 114,700.46, 158,242.41 and 84,557.32

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Solution

The fourth proportional to 114,700.46, 158,242.41 and 84,557.32 is: 116,656.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,700.46 : 158,242.41 = 84,557.32 : x
  2. Step 2: Convert to fraction form
    114,700.46/158,242.41 = 84,557.32/x
  3. Step 3: Cross multiply
    114,700.46x = 158,242.41 × 84,557.32
  4. Step 4: Simplify right side
    114,700.46x = 13,380,553,704.34
  5. Step 5: Solve for x
    x = 13,380,553,704.34/114,700.46
  6. Step 6: Final answer
    x = 116,656.50

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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.