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Finding the Fourth Proportional to 64,339,905.16, 96,455,614.66 and 27,920,860.32

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Solution

The fourth proportional to 64,339,905.16, 96,455,614.66 and 27,920,860.32 is: 41,857,751.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,339,905.16 : 96,455,614.66 = 27,920,860.32 : x
  2. Step 2: Convert to fraction form
    64,339,905.16/96,455,614.66 = 27,920,860.32/x
  3. Step 3: Cross multiply
    64,339,905.16x = 96,455,614.66 × 27,920,860.32
  4. Step 4: Simplify right side
    64,339,905.16x = 2,693,123,744,293,510.50
  5. Step 5: Solve for x
    x = 2,693,123,744,293,510.50/64,339,905.16
  6. Step 6: Final answer
    x = 41,857,751.23

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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.