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Finding the Fourth Proportional to 189,842.58, 284,807.07 and 101,049.30

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Solution

The fourth proportional to 189,842.58, 284,807.07 and 101,049.30 is: 151,596.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,842.58 : 284,807.07 = 101,049.30 : x
  2. Step 2: Convert to fraction form
    189,842.58/284,807.07 = 101,049.30/x
  3. Step 3: Cross multiply
    189,842.58x = 284,807.07 × 101,049.30
  4. Step 4: Simplify right side
    189,842.58x = 28,779,555,058.55
  5. Step 5: Solve for x
    x = 28,779,555,058.55/189,842.58
  6. Step 6: Final answer
    x = 151,596.94

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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.