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Finding the Fourth Proportional to 165,653.48, 249,586.70 and 149,878.73

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Solution

The fourth proportional to 165,653.48, 249,586.70 and 149,878.73 is: 225,819.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,653.48 : 249,586.70 = 149,878.73 : x
  2. Step 2: Convert to fraction form
    165,653.48/249,586.70 = 149,878.73/x
  3. Step 3: Cross multiply
    165,653.48x = 249,586.70 × 149,878.73
  4. Step 4: Simplify right side
    165,653.48x = 37,407,737,620.89
  5. Step 5: Solve for x
    x = 37,407,737,620.89/165,653.48
  6. Step 6: Final answer
    x = 225,819.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.