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Finding the Fourth Proportional to 144,629.60, 216,924.40 and 44,858.40

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Solution

The fourth proportional to 144,629.60, 216,924.40 and 44,858.40 is: 67,281.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,629.60 : 216,924.40 = 44,858.40 : x
  2. Step 2: Convert to fraction form
    144,629.60/216,924.40 = 44,858.40/x
  3. Step 3: Cross multiply
    144,629.60x = 216,924.40 × 44,858.40
  4. Step 4: Simplify right side
    144,629.60x = 9,730,881,504.96
  5. Step 5: Solve for x
    x = 9,730,881,504.96/144,629.60
  6. Step 6: Final answer
    x = 67,281.40

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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.