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Finding the Fourth Proportional to 189,000.95, 283,501.43 and 84,024.95

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Solution

The fourth proportional to 189,000.95, 283,501.43 and 84,024.95 is: 126,037.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,000.95 : 283,501.43 = 84,024.95 : x
  2. Step 2: Convert to fraction form
    189,000.95/283,501.43 = 84,024.95/x
  3. Step 3: Cross multiply
    189,000.95x = 283,501.43 × 84,024.95
  4. Step 4: Simplify right side
    189,000.95x = 23,821,193,060.55
  5. Step 5: Solve for x
    x = 23,821,193,060.55/189,000.95
  6. Step 6: Final answer
    x = 126,037.43

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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.