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Finding the Fourth Proportional to 119,349.88, 178,863.42 and 45,437.56

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Solution

The fourth proportional to 119,349.88, 178,863.42 and 45,437.56 is: 68,094.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,349.88 : 178,863.42 = 45,437.56 : x
  2. Step 2: Convert to fraction form
    119,349.88/178,863.42 = 45,437.56/x
  3. Step 3: Cross multiply
    119,349.88x = 178,863.42 × 45,437.56
  4. Step 4: Simplify right side
    119,349.88x = 8,127,117,378.06
  5. Step 5: Solve for x
    x = 8,127,117,378.06/119,349.88
  6. Step 6: Final answer
    x = 68,094.89

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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.