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Finding the Fourth Proportional to 195,551.60, 293,208.60 and 77,086.40

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Solution

The fourth proportional to 195,551.60, 293,208.60 and 77,086.40 is: 115,582.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,551.60 : 293,208.60 = 77,086.40 : x
  2. Step 2: Convert to fraction form
    195,551.60/293,208.60 = 77,086.40/x
  3. Step 3: Cross multiply
    195,551.60x = 293,208.60 × 77,086.40
  4. Step 4: Simplify right side
    195,551.60x = 22,602,395,423.04
  5. Step 5: Solve for x
    x = 22,602,395,423.04/195,551.60
  6. Step 6: Final answer
    x = 115,582.77

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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.