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Finding the Fourth Proportional to 101,374.25, 139,884.56 and 56,049.53

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Solution

The fourth proportional to 101,374.25, 139,884.56 and 56,049.53 is: 77,341.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,374.25 : 139,884.56 = 56,049.53 : x
  2. Step 2: Convert to fraction form
    101,374.25/139,884.56 = 56,049.53/x
  3. Step 3: Cross multiply
    101,374.25x = 139,884.56 × 56,049.53
  4. Step 4: Simplify right side
    101,374.25x = 7,840,463,842.26
  5. Step 5: Solve for x
    x = 7,840,463,842.26/101,374.25
  6. Step 6: Final answer
    x = 77,341.77

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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.