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Finding the Fourth Proportional to 73,470.96, 101,359.70 and 47,968.49

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Solution

The fourth proportional to 73,470.96, 101,359.70 and 47,968.49 is: 66,176.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,470.96 : 101,359.70 = 47,968.49 : x
  2. Step 2: Convert to fraction form
    73,470.96/101,359.70 = 47,968.49/x
  3. Step 3: Cross multiply
    73,470.96x = 101,359.70 × 47,968.49
  4. Step 4: Simplify right side
    73,470.96x = 4,862,071,009.21
  5. Step 5: Solve for x
    x = 4,862,071,009.21/73,470.96
  6. Step 6: Final answer
    x = 66,176.77

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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.