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Finding the Fourth Proportional to 249,804, 344,729.52 and 136,626.75

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Solution

The fourth proportional to 249,804, 344,729.52 and 136,626.75 is: 188,544.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,804 : 344,729.52 = 136,626.75 : x
  2. Step 2: Convert to fraction form
    249,804/344,729.52 = 136,626.75/x
  3. Step 3: Cross multiply
    249,804x = 344,729.52 × 136,626.75
  4. Step 4: Simplify right side
    249,804x = 47,099,273,946.66
  5. Step 5: Solve for x
    x = 47,099,273,946.66/249,804
  6. Step 6: Final answer
    x = 188,544.92

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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.