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Finding the Fourth Proportional to 213,574.56, 294,718.44 and 118,068.36

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Solution

The fourth proportional to 213,574.56, 294,718.44 and 118,068.36 is: 162,926.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,574.56 : 294,718.44 = 118,068.36 : x
  2. Step 2: Convert to fraction form
    213,574.56/294,718.44 = 118,068.36/x
  3. Step 3: Cross multiply
    213,574.56x = 294,718.44 × 118,068.36
  4. Step 4: Simplify right side
    213,574.56x = 34,796,922,872.56
  5. Step 5: Solve for x
    x = 34,796,922,872.56/213,574.56
  6. Step 6: Final answer
    x = 162,926.35

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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.