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Finding the Fourth Proportional to 249,364.81, 344,131.94 and 147,477.61

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Solution

The fourth proportional to 249,364.81, 344,131.94 and 147,477.61 is: 203,524.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,364.81 : 344,131.94 = 147,477.61 : x
  2. Step 2: Convert to fraction form
    249,364.81/344,131.94 = 147,477.61/x
  3. Step 3: Cross multiply
    249,364.81x = 344,131.94 × 147,477.61
  4. Step 4: Simplify right side
    249,364.81x = 50,751,756,834.72
  5. Step 5: Solve for x
    x = 50,751,756,834.72/249,364.81
  6. Step 6: Final answer
    x = 203,524.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.