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Finding the Fourth Proportional to 100,603,325.40, 150,904,988.10 and 100,603,325.40

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Solution

The fourth proportional to 100,603,325.40, 150,904,988.10 and 100,603,325.40 is: 150,904,988.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,603,325.40 : 150,904,988.10 = 100,603,325.40 : x
  2. Step 2: Convert to fraction form
    100,603,325.40/150,904,988.10 = 100,603,325.40/x
  3. Step 3: Cross multiply
    100,603,325.40x = 150,904,988.10 × 100,603,325.40
  4. Step 4: Simplify right side
    100,603,325.40x = 15,181,543,622,307,428
  5. Step 5: Solve for x
    x = 15,181,543,622,307,428/100,603,325.40
  6. Step 6: Final answer
    x = 150,904,988.10

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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.