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Finding the Fourth Proportional to 119,244.60, 164,554.20 and 65,529.60

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Solution

The fourth proportional to 119,244.60, 164,554.20 and 65,529.60 is: 90,429.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,244.60 : 164,554.20 = 65,529.60 : x
  2. Step 2: Convert to fraction form
    119,244.60/164,554.20 = 65,529.60/x
  3. Step 3: Cross multiply
    119,244.60x = 164,554.20 × 65,529.60
  4. Step 4: Simplify right side
    119,244.60x = 10,783,170,904.32
  5. Step 5: Solve for x
    x = 10,783,170,904.32/119,244.60
  6. Step 6: Final answer
    x = 90,429.01

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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.