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Finding the Fourth Proportional to 249,533.78, 344,365.11 and 136,363.82

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Solution

The fourth proportional to 249,533.78, 344,365.11 and 136,363.82 is: 188,186.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,533.78 : 344,365.11 = 136,363.82 : x
  2. Step 2: Convert to fraction form
    249,533.78/344,365.11 = 136,363.82/x
  3. Step 3: Cross multiply
    249,533.78x = 344,365.11 × 136,363.82
  4. Step 4: Simplify right side
    249,533.78x = 46,958,941,874.32
  5. Step 5: Solve for x
    x = 46,958,941,874.32/249,533.78
  6. Step 6: Final answer
    x = 188,186.71

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1.5x scale

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.