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Finding the Fourth Proportional to 141,594.42, 195,392.88 and 77,919.93

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Solution

The fourth proportional to 141,594.42, 195,392.88 and 77,919.93 is: 107,525.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,594.42 : 195,392.88 = 77,919.93 : x
  2. Step 2: Convert to fraction form
    141,594.42/195,392.88 = 77,919.93/x
  3. Step 3: Cross multiply
    141,594.42x = 195,392.88 × 77,919.93
  4. Step 4: Simplify right side
    141,594.42x = 15,224,999,532.10
  5. Step 5: Solve for x
    x = 15,224,999,532.10/141,594.42
  6. Step 6: Final answer
    x = 107,525.42

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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.