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Finding the Fourth Proportional to 165,280.73, 228,009.47 and 119,859.10

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Solution

The fourth proportional to 165,280.73, 228,009.47 and 119,859.10 is: 165,349.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,280.73 : 228,009.47 = 119,859.10 : x
  2. Step 2: Convert to fraction form
    165,280.73/228,009.47 = 119,859.10/x
  3. Step 3: Cross multiply
    165,280.73x = 228,009.47 × 119,859.10
  4. Step 4: Simplify right side
    165,280.73x = 27,329,008,696.36
  5. Step 5: Solve for x
    x = 27,329,008,696.36/165,280.73
  6. Step 6: Final answer
    x = 165,349.04

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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.