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Finding the Fourth Proportional to 144,601.63, 199,557.89 and 90,866.77

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Solution

The fourth proportional to 144,601.63, 199,557.89 and 90,866.77 is: 125,400.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,601.63 : 199,557.89 = 90,866.77 : x
  2. Step 2: Convert to fraction form
    144,601.63/199,557.89 = 90,866.77/x
  3. Step 3: Cross multiply
    144,601.63x = 199,557.89 × 90,866.77
  4. Step 4: Simplify right side
    144,601.63x = 18,133,180,892.32
  5. Step 5: Solve for x
    x = 18,133,180,892.32/144,601.63
  6. Step 6: Final answer
    x = 125,400.94

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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.