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Finding the Fourth Proportional to 165,330.80, 248,005.80 and 47,010.80

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Solution

The fourth proportional to 165,330.80, 248,005.80 and 47,010.80 is: 70,518.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,330.80 : 248,005.80 = 47,010.80 : x
  2. Step 2: Convert to fraction form
    165,330.80/248,005.80 = 47,010.80/x
  3. Step 3: Cross multiply
    165,330.80x = 248,005.80 × 47,010.80
  4. Step 4: Simplify right side
    165,330.80x = 11,658,951,062.64
  5. Step 5: Solve for x
    x = 11,658,951,062.64/165,330.80
  6. Step 6: Final answer
    x = 70,518.93

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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.