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Finding the Fourth Proportional to 107,645,342.40, 161,468,013.60 and 107,645,342.40

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Solution

The fourth proportional to 107,645,342.40, 161,468,013.60 and 107,645,342.40 is: 161,468,013.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,645,342.40 : 161,468,013.60 = 107,645,342.40 : x
  2. Step 2: Convert to fraction form
    107,645,342.40/161,468,013.60 = 107,645,342.40/x
  3. Step 3: Cross multiply
    107,645,342.40x = 161,468,013.60 × 107,645,342.40
  4. Step 4: Simplify right side
    107,645,342.40x = 17,381,279,610,619,856
  5. Step 5: Solve for x
    x = 17,381,279,610,619,856/107,645,342.40
  6. Step 6: Final answer
    x = 161,468,013.60

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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.