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Finding the Fourth Proportional to 213,576.80, 294,730.80 and 118,081.04

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Solution

The fourth proportional to 213,576.80, 294,730.80 and 118,081.04 is: 162,948.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,576.80 : 294,730.80 = 118,081.04 : x
  2. Step 2: Convert to fraction form
    213,576.80/294,730.80 = 118,081.04/x
  3. Step 3: Cross multiply
    213,576.80x = 294,730.80 × 118,081.04
  4. Step 4: Simplify right side
    213,576.80x = 34,802,119,384.03
  5. Step 5: Solve for x
    x = 34,802,119,384.03/213,576.80
  6. Step 6: Final answer
    x = 162,948.97

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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.