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Finding the Fourth Proportional to 46,648,402.40, 69,972,603.60 and 16,359,327.20

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Solution

The fourth proportional to 46,648,402.40, 69,972,603.60 and 16,359,327.20 is: 24,538,990.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,648,402.40 : 69,972,603.60 = 16,359,327.20 : x
  2. Step 2: Convert to fraction form
    46,648,402.40/69,972,603.60 = 16,359,327.20/x
  3. Step 3: Cross multiply
    46,648,402.40x = 69,972,603.60 × 16,359,327.20
  4. Step 4: Simplify right side
    46,648,402.40x = 1,144,704,717,328,297.75
  5. Step 5: Solve for x
    x = 1,144,704,717,328,297.75/46,648,402.40
  6. Step 6: Final answer
    x = 24,538,990.80

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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.