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Finding the Fourth Proportional to 249,646.92, 344,511 and 136,469.94

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Solution

The fourth proportional to 249,646.92, 344,511 and 136,469.94 is: 188,327.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,646.92 : 344,511 = 136,469.94 : x
  2. Step 2: Convert to fraction form
    249,646.92/344,511 = 136,469.94/x
  3. Step 3: Cross multiply
    249,646.92x = 344,511 × 136,469.94
  4. Step 4: Simplify right side
    249,646.92x = 47,015,395,499.34
  5. Step 5: Solve for x
    x = 47,015,395,499.34/249,646.92
  6. Step 6: Final answer
    x = 188,327.56

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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.