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Finding the Fourth Proportional to 113,856.70, 170,477.85 and 113,856.70

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Solution

The fourth proportional to 113,856.70, 170,477.85 and 113,856.70 is: 170,477.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,856.70 : 170,477.85 = 113,856.70 : x
  2. Step 2: Convert to fraction form
    113,856.70/170,477.85 = 113,856.70/x
  3. Step 3: Cross multiply
    113,856.70x = 170,477.85 × 113,856.70
  4. Step 4: Simplify right side
    113,856.70x = 19,410,045,424.10
  5. Step 5: Solve for x
    x = 19,410,045,424.10/113,856.70
  6. Step 6: Final answer
    x = 170,477.85

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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.