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Finding the Fourth Proportional to 294,559.60, 442,069.80 and 136,807.60

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Solution

The fourth proportional to 294,559.60, 442,069.80 and 136,807.60 is: 205,318.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,559.60 : 442,069.80 = 136,807.60 : x
  2. Step 2: Convert to fraction form
    294,559.60/442,069.80 = 136,807.60/x
  3. Step 3: Cross multiply
    294,559.60x = 442,069.80 × 136,807.60
  4. Step 4: Simplify right side
    294,559.60x = 60,478,508,370.48
  5. Step 5: Solve for x
    x = 60,478,508,370.48/294,559.60
  6. Step 6: Final answer
    x = 205,318.41

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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.