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Finding the Fourth Proportional to 101,377.08, 139,905.24 and 56,054.22

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Solution

The fourth proportional to 101,377.08, 139,905.24 and 56,054.22 is: 77,357.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,377.08 : 139,905.24 = 56,054.22 : x
  2. Step 2: Convert to fraction form
    101,377.08/139,905.24 = 56,054.22/x
  3. Step 3: Cross multiply
    101,377.08x = 139,905.24 × 56,054.22
  4. Step 4: Simplify right side
    101,377.08x = 7,842,279,102.11
  5. Step 5: Solve for x
    x = 7,842,279,102.11/101,377.08
  6. Step 6: Final answer
    x = 77,357.52

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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.