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Finding the Fourth Proportional to 84,726.78, 116,923.07 and 47,001.03

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Solution

The fourth proportional to 84,726.78, 116,923.07 and 47,001.03 is: 64,861.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,726.78 : 116,923.07 = 47,001.03 : x
  2. Step 2: Convert to fraction form
    84,726.78/116,923.07 = 47,001.03/x
  3. Step 3: Cross multiply
    84,726.78x = 116,923.07 × 47,001.03
  4. Step 4: Simplify right side
    84,726.78x = 5,495,504,485.76
  5. Step 5: Solve for x
    x = 5,495,504,485.76/84,726.78
  6. Step 6: Final answer
    x = 64,861.48

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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.