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Finding the Fourth Proportional to 268,207.48, 370,124.90 and 145,698.90

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Solution

The fourth proportional to 268,207.48, 370,124.90 and 145,698.90 is: 201,063.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,207.48 : 370,124.90 = 145,698.90 : x
  2. Step 2: Convert to fraction form
    268,207.48/370,124.90 = 145,698.90/x
  3. Step 3: Cross multiply
    268,207.48x = 370,124.90 × 145,698.90
  4. Step 4: Simplify right side
    268,207.48x = 53,926,790,792.61
  5. Step 5: Solve for x
    x = 53,926,790,792.61/268,207.48
  6. Step 6: Final answer
    x = 201,063.71

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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.