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Finding the Fourth Proportional to 72,295,896.60, 108,443,844.90 and 24,426,149.40

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Solution

The fourth proportional to 72,295,896.60, 108,443,844.90 and 24,426,149.40 is: 36,639,224.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,295,896.60 : 108,443,844.90 = 24,426,149.40 : x
  2. Step 2: Convert to fraction form
    72,295,896.60/108,443,844.90 = 24,426,149.40/x
  3. Step 3: Cross multiply
    72,295,896.60x = 108,443,844.90 × 24,426,149.40
  4. Step 4: Simplify right side
    72,295,896.60x = 2,648,865,557,037,828
  5. Step 5: Solve for x
    x = 2,648,865,557,037,828/72,295,896.60
  6. Step 6: Final answer
    x = 36,639,224.10

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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.