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Finding the Fourth Proportional to 114,354.96, 171,440.80 and 54,353.32

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Solution

The fourth proportional to 114,354.96, 171,440.80 and 54,353.32 is: 81,486.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,354.96 : 171,440.80 = 54,353.32 : x
  2. Step 2: Convert to fraction form
    114,354.96/171,440.80 = 54,353.32/x
  3. Step 3: Cross multiply
    114,354.96x = 171,440.80 × 54,353.32
  4. Step 4: Simplify right side
    114,354.96x = 9,318,376,663.46
  5. Step 5: Solve for x
    x = 9,318,376,663.46/114,354.96
  6. Step 6: Final answer
    x = 81,486.42

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1.5x scale

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.