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Finding the Fourth Proportional to 219,613,864.80, 329,326,318.80 and 110,396,834.40

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Solution

The fourth proportional to 219,613,864.80, 329,326,318.80 and 110,396,834.40 is: 165,547,758.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,613,864.80 : 329,326,318.80 = 110,396,834.40 : x
  2. Step 2: Convert to fraction form
    219,613,864.80/329,326,318.80 = 110,396,834.40/x
  3. Step 3: Cross multiply
    219,613,864.80x = 329,326,318.80 × 110,396,834.40
  4. Step 4: Simplify right side
    219,613,864.80x = 36,356,583,080,125,208
  5. Step 5: Solve for x
    x = 36,356,583,080,125,208/219,613,864.80
  6. Step 6: Final answer
    x = 165,547,758.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.