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Finding the Fourth Proportional to 63,830,322.87, 95,758,935.37 and 20,696,162.78

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Solution

The fourth proportional to 63,830,322.87, 95,758,935.37 and 20,696,162.78 is: 31,048,605.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,830,322.87 : 95,758,935.37 = 20,696,162.78 : x
  2. Step 2: Convert to fraction form
    63,830,322.87/95,758,935.37 = 20,696,162.78/x
  3. Step 3: Cross multiply
    63,830,322.87x = 95,758,935.37 × 20,696,162.78
  4. Step 4: Simplify right side
    63,830,322.87x = 1,981,842,513,526,484.50
  5. Step 5: Solve for x
    x = 1,981,842,513,526,484.50/63,830,322.87
  6. Step 6: Final answer
    x = 31,048,605.50

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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.