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Finding the Fourth Proportional to 71,179,603.60, 106,769,405.40 and 71,179,603.60

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Solution

The fourth proportional to 71,179,603.60, 106,769,405.40 and 71,179,603.60 is: 106,769,405.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,179,603.60 : 106,769,405.40 = 71,179,603.60 : x
  2. Step 2: Convert to fraction form
    71,179,603.60/106,769,405.40 = 71,179,603.60/x
  3. Step 3: Cross multiply
    71,179,603.60x = 106,769,405.40 × 71,179,603.60
  4. Step 4: Simplify right side
    71,179,603.60x = 7,599,803,952,979,699
  5. Step 5: Solve for x
    x = 7,599,803,952,979,699/71,179,603.60
  6. Step 6: Final answer
    x = 106,769,405.40

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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.