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Finding the Fourth Proportional to 144,473.79, 216,656.81 and 49,677.17

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Solution

The fourth proportional to 144,473.79, 216,656.81 and 49,677.17 is: 74,497.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,473.79 : 216,656.81 = 49,677.17 : x
  2. Step 2: Convert to fraction form
    144,473.79/216,656.81 = 49,677.17/x
  3. Step 3: Cross multiply
    144,473.79x = 216,656.81 × 49,677.17
  4. Step 4: Simplify right side
    144,473.79x = 10,762,896,036.65
  5. Step 5: Solve for x
    x = 10,762,896,036.65/144,473.79
  6. Step 6: Final answer
    x = 74,497.22

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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.