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Finding the Fourth Proportional to 92,888.72, 128,183.04 and 50,446.32

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Solution

The fourth proportional to 92,888.72, 128,183.04 and 50,446.32 is: 69,614.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,888.72 : 128,183.04 = 50,446.32 : x
  2. Step 2: Convert to fraction form
    92,888.72/128,183.04 = 50,446.32/x
  3. Step 3: Cross multiply
    92,888.72x = 128,183.04 × 50,446.32
  4. Step 4: Simplify right side
    92,888.72x = 6,466,362,654.41
  5. Step 5: Solve for x
    x = 6,466,362,654.41/92,888.72
  6. Step 6: Final answer
    x = 69,614.08

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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.