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Finding the Fourth Proportional to 213,594.68, 294,769.89 and 118,101.38

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Solution

The fourth proportional to 213,594.68, 294,769.89 and 118,101.38 is: 162,985.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,594.68 : 294,769.89 = 118,101.38 : x
  2. Step 2: Convert to fraction form
    213,594.68/294,769.89 = 118,101.38/x
  3. Step 3: Cross multiply
    213,594.68x = 294,769.89 × 118,101.38
  4. Step 4: Simplify right side
    213,594.68x = 34,812,729,317.60
  5. Step 5: Solve for x
    x = 34,812,729,317.60/213,594.68
  6. Step 6: Final answer
    x = 162,985.00

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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.