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Finding the Fourth Proportional to 192,006.64, 264,981.90 and 107,125.51

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Solution

The fourth proportional to 192,006.64, 264,981.90 and 107,125.51 is: 147,840.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,006.64 : 264,981.90 = 107,125.51 : x
  2. Step 2: Convert to fraction form
    192,006.64/264,981.90 = 107,125.51/x
  3. Step 3: Cross multiply
    192,006.64x = 264,981.90 × 107,125.51
  4. Step 4: Simplify right side
    192,006.64x = 28,386,321,178.27
  5. Step 5: Solve for x
    x = 28,386,321,178.27/192,006.64
  6. Step 6: Final answer
    x = 147,840.31

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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.