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Finding the Fourth Proportional to 183,439.72, 253,053.66 and 119,814.76

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Solution

The fourth proportional to 183,439.72, 253,053.66 and 119,814.76 is: 165,283.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,439.72 : 253,053.66 = 119,814.76 : x
  2. Step 2: Convert to fraction form
    183,439.72/253,053.66 = 119,814.76/x
  3. Step 3: Cross multiply
    183,439.72x = 253,053.66 × 119,814.76
  4. Step 4: Simplify right side
    183,439.72x = 30,319,563,540.02
  5. Step 5: Solve for x
    x = 30,319,563,540.02/183,439.72
  6. Step 6: Final answer
    x = 165,283.52

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1.5x scale

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.