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Finding the Fourth Proportional to 101,034.76, 139,364.40 and 58,577.80

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Solution

The fourth proportional to 101,034.76, 139,364.40 and 58,577.80 is: 80,800.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,034.76 : 139,364.40 = 58,577.80 : x
  2. Step 2: Convert to fraction form
    101,034.76/139,364.40 = 58,577.80/x
  3. Step 3: Cross multiply
    101,034.76x = 139,364.40 × 58,577.80
  4. Step 4: Simplify right side
    101,034.76x = 8,163,659,950.32
  5. Step 5: Solve for x
    x = 8,163,659,950.32/101,034.76
  6. Step 6: Final answer
    x = 80,800.51

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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.