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Finding the Fourth Proportional to 144,446.84, 216,721.58 and 64,477.56

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Solution

The fourth proportional to 144,446.84, 216,721.58 and 64,477.56 is: 96,739.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,446.84 : 216,721.58 = 64,477.56 : x
  2. Step 2: Convert to fraction form
    144,446.84/216,721.58 = 64,477.56/x
  3. Step 3: Cross multiply
    144,446.84x = 216,721.58 × 64,477.56
  4. Step 4: Simplify right side
    144,446.84x = 13,973,678,677.74
  5. Step 5: Solve for x
    x = 13,973,678,677.74/144,446.84
  6. Step 6: Final answer
    x = 96,739.25

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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.