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Finding the Fourth Proportional to 74,710.77, 103,100.63 and 41,176.77

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Solution

The fourth proportional to 74,710.77, 103,100.63 and 41,176.77 is: 56,823.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,710.77 : 103,100.63 = 41,176.77 : x
  2. Step 2: Convert to fraction form
    74,710.77/103,100.63 = 41,176.77/x
  3. Step 3: Cross multiply
    74,710.77x = 103,100.63 × 41,176.77
  4. Step 4: Simplify right side
    74,710.77x = 4,245,350,722.48
  5. Step 5: Solve for x
    x = 4,245,350,722.48/74,710.77
  6. Step 6: Final answer
    x = 56,823.81

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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.