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Finding the Fourth Proportional to 101,360.62, 139,873.53 and 56,035.72

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Solution

The fourth proportional to 101,360.62, 139,873.53 and 56,035.72 is: 77,327.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,360.62 : 139,873.53 = 56,035.72 : x
  2. Step 2: Convert to fraction form
    101,360.62/139,873.53 = 56,035.72/x
  3. Step 3: Cross multiply
    101,360.62x = 139,873.53 × 56,035.72
  4. Step 4: Simplify right side
    101,360.62x = 7,837,913,962.49
  5. Step 5: Solve for x
    x = 7,837,913,962.49/101,360.62
  6. Step 6: Final answer
    x = 77,327.01

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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.