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Finding the Fourth Proportional to 144,485.27, 216,764.81 and 55,714.94

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Solution

The fourth proportional to 144,485.27, 216,764.81 and 55,714.94 is: 83,586.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,485.27 : 216,764.81 = 55,714.94 : x
  2. Step 2: Convert to fraction form
    144,485.27/216,764.81 = 55,714.94/x
  3. Step 3: Cross multiply
    144,485.27x = 216,764.81 × 55,714.94
  4. Step 4: Simplify right side
    144,485.27x = 12,077,038,042.66
  5. Step 5: Solve for x
    x = 12,077,038,042.66/144,485.27
  6. Step 6: Final answer
    x = 83,586.64

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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.