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Finding the Fourth Proportional to 213,295.89, 294,342.28 and 117,800.54

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Solution

The fourth proportional to 213,295.89, 294,342.28 and 117,800.54 is: 162,561.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,295.89 : 294,342.28 = 117,800.54 : x
  2. Step 2: Convert to fraction form
    213,295.89/294,342.28 = 117,800.54/x
  3. Step 3: Cross multiply
    213,295.89x = 294,342.28 × 117,800.54
  4. Step 4: Simplify right side
    213,295.89x = 34,673,677,468.12
  5. Step 5: Solve for x
    x = 34,673,677,468.12/213,295.89
  6. Step 6: Final answer
    x = 162,561.40

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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.