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Finding the Fourth Proportional to 189,657.90, 284,501.52 and 56,527.92

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Solution

The fourth proportional to 189,657.90, 284,501.52 and 56,527.92 is: 84,796.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,657.90 : 284,501.52 = 56,527.92 : x
  2. Step 2: Convert to fraction form
    189,657.90/284,501.52 = 56,527.92/x
  3. Step 3: Cross multiply
    189,657.90x = 284,501.52 × 56,527.92
  4. Step 4: Simplify right side
    189,657.90x = 16,082,279,162.44
  5. Step 5: Solve for x
    x = 16,082,279,162.44/189,657.90
  6. Step 6: Final answer
    x = 84,796.25

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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.