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Finding the Fourth Proportional to 368,141.72, 552,213.36 and 101,903

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Solution

The fourth proportional to 368,141.72, 552,213.36 and 101,903 is: 152,854.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,141.72 : 552,213.36 = 101,903 : x
  2. Step 2: Convert to fraction form
    368,141.72/552,213.36 = 101,903/x
  3. Step 3: Cross multiply
    368,141.72x = 552,213.36 × 101,903
  4. Step 4: Simplify right side
    368,141.72x = 56,272,198,024.08
  5. Step 5: Solve for x
    x = 56,272,198,024.08/368,141.72
  6. Step 6: Final answer
    x = 152,854.72

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1.5x scale

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.