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Finding the Fourth Proportional to 249,529.78, 344,359.59 and 136,359.82

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Solution

The fourth proportional to 249,529.78, 344,359.59 and 136,359.82 is: 188,181.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,529.78 : 344,359.59 = 136,359.82 : x
  2. Step 2: Convert to fraction form
    249,529.78/344,359.59 = 136,359.82/x
  3. Step 3: Cross multiply
    249,529.78x = 344,359.59 × 136,359.82
  4. Step 4: Simplify right side
    249,529.78x = 46,956,811,707.67
  5. Step 5: Solve for x
    x = 46,956,811,707.67/249,529.78
  6. Step 6: Final answer
    x = 188,181.19

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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.