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Finding the Fourth Proportional to 249,506, 344,325.84 and 136,336.04

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Solution

The fourth proportional to 249,506, 344,325.84 and 136,336.04 is: 188,147.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,506 : 344,325.84 = 136,336.04 : x
  2. Step 2: Convert to fraction form
    249,506/344,325.84 = 136,336.04/x
  3. Step 3: Cross multiply
    249,506x = 344,325.84 × 136,336.04
  4. Step 4: Simplify right side
    249,506x = 46,944,021,495.27
  5. Step 5: Solve for x
    x = 46,944,021,495.27/249,506
  6. Step 6: Final answer
    x = 188,147.87

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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.