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Finding the Fourth Proportional to 144,707.10, 217,068.86 and 44,881.48

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Solution

The fourth proportional to 144,707.10, 217,068.86 and 44,881.48 is: 67,324.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,707.10 : 217,068.86 = 44,881.48 : x
  2. Step 2: Convert to fraction form
    144,707.10/217,068.86 = 44,881.48/x
  3. Step 3: Cross multiply
    144,707.10x = 217,068.86 × 44,881.48
  4. Step 4: Simplify right side
    144,707.10x = 9,742,371,698.71
  5. Step 5: Solve for x
    x = 9,742,371,698.71/144,707.10
  6. Step 6: Final answer
    x = 67,324.77

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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.