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Finding the Fourth Proportional to 114,592.52, 172,152.30 and 81,393.32

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Solution

The fourth proportional to 114,592.52, 172,152.30 and 81,393.32 is: 122,277.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,592.52 : 172,152.30 = 81,393.32 : x
  2. Step 2: Convert to fraction form
    114,592.52/172,152.30 = 81,393.32/x
  3. Step 3: Cross multiply
    114,592.52x = 172,152.30 × 81,393.32
  4. Step 4: Simplify right side
    114,592.52x = 14,012,047,242.64
  5. Step 5: Solve for x
    x = 14,012,047,242.64/114,592.52
  6. Step 6: Final answer
    x = 122,277.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.