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Finding the Fourth Proportional to 213,192.58, 294,203.64 and 117,699.88

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Solution

The fourth proportional to 213,192.58, 294,203.64 and 117,699.88 is: 162,424.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,192.58 : 294,203.64 = 117,699.88 : x
  2. Step 2: Convert to fraction form
    213,192.58/294,203.64 = 117,699.88/x
  3. Step 3: Cross multiply
    213,192.58x = 294,203.64 × 117,699.88
  4. Step 4: Simplify right side
    213,192.58x = 34,627,733,123.56
  5. Step 5: Solve for x
    x = 34,627,733,123.56/213,192.58
  6. Step 6: Final answer
    x = 162,424.66

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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.