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Finding the Fourth Proportional to 70,602,759.69, 105,843,477.62 and 24,538,644.51

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Solution

The fourth proportional to 70,602,759.69, 105,843,477.62 and 24,538,644.51 is: 36,786,883.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,602,759.69 : 105,843,477.62 = 24,538,644.51 : x
  2. Step 2: Convert to fraction form
    70,602,759.69/105,843,477.62 = 24,538,644.51/x
  3. Step 3: Cross multiply
    70,602,759.69x = 105,843,477.62 × 24,538,644.51
  4. Step 4: Simplify right side
    70,602,759.69x = 2,597,255,471,080,667.50
  5. Step 5: Solve for x
    x = 2,597,255,471,080,667.50/70,602,759.69
  6. Step 6: Final answer
    x = 36,786,883.15

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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.