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Finding the Fourth Proportional to 230,624.52, 318,262.26 and 130,022.28

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Solution

The fourth proportional to 230,624.52, 318,262.26 and 130,022.28 is: 179,430.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,624.52 : 318,262.26 = 130,022.28 : x
  2. Step 2: Convert to fraction form
    230,624.52/318,262.26 = 130,022.28/x
  3. Step 3: Cross multiply
    230,624.52x = 318,262.26 × 130,022.28
  4. Step 4: Simplify right side
    230,624.52x = 41,381,184,683.15
  5. Step 5: Solve for x
    x = 41,381,184,683.15/230,624.52
  6. Step 6: Final answer
    x = 179,430.98

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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.