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Finding the Fourth Proportional to 107,645,115.60, 161,467,673.40 and 107,645,115.60

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Solution

The fourth proportional to 107,645,115.60, 161,467,673.40 and 107,645,115.60 is: 161,467,673.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,645,115.60 : 161,467,673.40 = 107,645,115.60 : x
  2. Step 2: Convert to fraction form
    107,645,115.60/161,467,673.40 = 107,645,115.60/x
  3. Step 3: Cross multiply
    107,645,115.60x = 161,467,673.40 × 107,645,115.60
  4. Step 4: Simplify right side
    107,645,115.60x = 17,381,206,368,806,044
  5. Step 5: Solve for x
    x = 17,381,206,368,806,044/107,645,115.60
  6. Step 6: Final answer
    x = 161,467,673.40

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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.