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Finding the Fourth Proportional to 249,873.57, 344,833.68 and 136,696.32

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Solution

The fourth proportional to 249,873.57, 344,833.68 and 136,696.32 is: 188,645.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,873.57 : 344,833.68 = 136,696.32 : x
  2. Step 2: Convert to fraction form
    249,873.57/344,833.68 = 136,696.32/x
  3. Step 3: Cross multiply
    249,873.57x = 344,833.68 × 136,696.32
  4. Step 4: Simplify right side
    249,873.57x = 47,137,494,384.58
  5. Step 5: Solve for x
    x = 47,137,494,384.58/249,873.57
  6. Step 6: Final answer
    x = 188,645.38

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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.