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Finding the Fourth Proportional to 22,961,344.80, 34,442,017.20 and 19,210,202.40

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Solution

The fourth proportional to 22,961,344.80, 34,442,017.20 and 19,210,202.40 is: 28,815,303.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,961,344.80 : 34,442,017.20 = 19,210,202.40 : x
  2. Step 2: Convert to fraction form
    22,961,344.80/34,442,017.20 = 19,210,202.40/x
  3. Step 3: Cross multiply
    22,961,344.80x = 34,442,017.20 × 19,210,202.40
  4. Step 4: Simplify right side
    22,961,344.80x = 661,638,121,476,281.25
  5. Step 5: Solve for x
    x = 661,638,121,476,281.25/22,961,344.80
  6. Step 6: Final answer
    x = 28,815,303.60

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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.