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Finding the Fourth Proportional to 134,435,898.80, 201,678,731.40 and 43,562,452.40

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Solution

The fourth proportional to 134,435,898.80, 201,678,731.40 and 43,562,452.40 is: 65,351,741.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,435,898.80 : 201,678,731.40 = 43,562,452.40 : x
  2. Step 2: Convert to fraction form
    134,435,898.80/201,678,731.40 = 43,562,452.40/x
  3. Step 3: Cross multiply
    134,435,898.80x = 201,678,731.40 × 43,562,452.40
  4. Step 4: Simplify right side
    134,435,898.80x = 8,785,620,136,704,885
  5. Step 5: Solve for x
    x = 8,785,620,136,704,885/134,435,898.80
  6. Step 6: Final answer
    x = 65,351,741.72

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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.