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Finding the Fourth Proportional to 183,411.72, 253,015.02 and 119,786.76

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Solution

The fourth proportional to 183,411.72, 253,015.02 and 119,786.76 is: 165,244.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,411.72 : 253,015.02 = 119,786.76 : x
  2. Step 2: Convert to fraction form
    183,411.72/253,015.02 = 119,786.76/x
  3. Step 3: Cross multiply
    183,411.72x = 253,015.02 × 119,786.76
  4. Step 4: Simplify right side
    183,411.72x = 30,307,849,477.14
  5. Step 5: Solve for x
    x = 30,307,849,477.14/183,411.72
  6. Step 6: Final answer
    x = 165,244.89

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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.