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Finding the Fourth Proportional to 213,653,598.80, 294,835,633.83 and 118,288,357.83

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Solution

The fourth proportional to 213,653,598.80, 294,835,633.83 and 118,288,357.83 is: 163,234,427.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,653,598.80 : 294,835,633.83 = 118,288,357.83 : x
  2. Step 2: Convert to fraction form
    213,653,598.80/294,835,633.83 = 118,288,357.83/x
  3. Step 3: Cross multiply
    213,653,598.80x = 294,835,633.83 × 118,288,357.83
  4. Step 4: Simplify right side
    213,653,598.80x = 34,875,622,955,517,892
  5. Step 5: Solve for x
    x = 34,875,622,955,517,892/213,653,598.80
  6. Step 6: Final answer
    x = 163,234,427.84

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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.