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Finding the Fourth Proportional to 164,051.60, 245,494.20 and 113,896.40

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Solution

The fourth proportional to 164,051.60, 245,494.20 and 113,896.40 is: 170,439.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,051.60 : 245,494.20 = 113,896.40 : x
  2. Step 2: Convert to fraction form
    164,051.60/245,494.20 = 113,896.40/x
  3. Step 3: Cross multiply
    164,051.60x = 245,494.20 × 113,896.40
  4. Step 4: Simplify right side
    164,051.60x = 27,960,905,600.88
  5. Step 5: Solve for x
    x = 27,960,905,600.88/164,051.60
  6. Step 6: Final answer
    x = 170,439.70

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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.