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Finding the Fourth Proportional to 213,302.96, 294,332.90 and 117,803.96

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Solution

The fourth proportional to 213,302.96, 294,332.90 and 117,803.96 is: 162,555.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,302.96 : 294,332.90 = 117,803.96 : x
  2. Step 2: Convert to fraction form
    213,302.96/294,332.90 = 117,803.96/x
  3. Step 3: Cross multiply
    213,302.96x = 294,332.90 × 117,803.96
  4. Step 4: Simplify right side
    213,302.96x = 34,673,581,178.28
  5. Step 5: Solve for x
    x = 34,673,581,178.28/213,302.96
  6. Step 6: Final answer
    x = 162,555.56

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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.