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Finding the Fourth Proportional to 174,479.60, 261,719.40 and 49,804.40

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Solution

The fourth proportional to 174,479.60, 261,719.40 and 49,804.40 is: 74,706.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,479.60 : 261,719.40 = 49,804.40 : x
  2. Step 2: Convert to fraction form
    174,479.60/261,719.40 = 49,804.40/x
  3. Step 3: Cross multiply
    174,479.60x = 261,719.40 × 49,804.40
  4. Step 4: Simplify right side
    174,479.60x = 13,034,777,685.36
  5. Step 5: Solve for x
    x = 13,034,777,685.36/174,479.60
  6. Step 6: Final answer
    x = 74,706.60

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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.