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Finding the Fourth Proportional to 141,598.82, 195,406.43 and 77,936.16

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Solution

The fourth proportional to 141,598.82, 195,406.43 and 77,936.16 is: 107,551.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,598.82 : 195,406.43 = 77,936.16 : x
  2. Step 2: Convert to fraction form
    141,598.82/195,406.43 = 77,936.16/x
  3. Step 3: Cross multiply
    141,598.82x = 195,406.43 × 77,936.16
  4. Step 4: Simplify right side
    141,598.82x = 15,229,226,403.83
  5. Step 5: Solve for x
    x = 15,229,226,403.83/141,598.82
  6. Step 6: Final answer
    x = 107,551.93

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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.