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Finding the Fourth Proportional to 247,215.51, 370,441.59 and 166,938.89

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Solution

The fourth proportional to 247,215.51, 370,441.59 and 166,938.89 is: 250,150.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,215.51 : 370,441.59 = 166,938.89 : x
  2. Step 2: Convert to fraction form
    247,215.51/370,441.59 = 166,938.89/x
  3. Step 3: Cross multiply
    247,215.51x = 370,441.59 × 166,938.89
  4. Step 4: Simplify right side
    247,215.51x = 61,841,105,992.23
  5. Step 5: Solve for x
    x = 61,841,105,992.23/247,215.51
  6. Step 6: Final answer
    x = 250,150.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.