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Finding the Fourth Proportional to 295,188.79, 442,577.73 and 130,781.92

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Solution

The fourth proportional to 295,188.79, 442,577.73 and 130,781.92 is: 196,081.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,188.79 : 442,577.73 = 130,781.92 : x
  2. Step 2: Convert to fraction form
    295,188.79/442,577.73 = 130,781.92/x
  3. Step 3: Cross multiply
    295,188.79x = 442,577.73 × 130,781.92
  4. Step 4: Simplify right side
    295,188.79x = 57,881,163,392.71
  5. Step 5: Solve for x
    x = 57,881,163,392.71/295,188.79
  6. Step 6: Final answer
    x = 196,081.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.