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Finding the Fourth Proportional to 368,158.96, 552,247.83 and 101,921.77

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Solution

The fourth proportional to 368,158.96, 552,247.83 and 101,921.77 is: 152,885.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,158.96 : 552,247.83 = 101,921.77 : x
  2. Step 2: Convert to fraction form
    368,158.96/552,247.83 = 101,921.77/x
  3. Step 3: Cross multiply
    368,158.96x = 552,247.83 × 101,921.77
  4. Step 4: Simplify right side
    368,158.96x = 56,286,074,931.64
  5. Step 5: Solve for x
    x = 56,286,074,931.64/368,158.96
  6. Step 6: Final answer
    x = 152,885.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.