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Finding the Fourth Proportional to 188,570.75, 260,153.42 and 107,954.82

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Solution

The fourth proportional to 188,570.75, 260,153.42 and 107,954.82 is: 148,935.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,570.75 : 260,153.42 = 107,954.82 : x
  2. Step 2: Convert to fraction form
    188,570.75/260,153.42 = 107,954.82/x
  3. Step 3: Cross multiply
    188,570.75x = 260,153.42 × 107,954.82
  4. Step 4: Simplify right side
    188,570.75x = 28,084,815,088.71
  5. Step 5: Solve for x
    x = 28,084,815,088.71/188,570.75
  6. Step 6: Final answer
    x = 148,935.17

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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.