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Finding the Fourth Proportional to 37,139,715.70, 55,709,573.55 and 37,139,715.70

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Solution

The fourth proportional to 37,139,715.70, 55,709,573.55 and 37,139,715.70 is: 55,709,573.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,139,715.70 : 55,709,573.55 = 37,139,715.70 : x
  2. Step 2: Convert to fraction form
    37,139,715.70/55,709,573.55 = 37,139,715.70/x
  3. Step 3: Cross multiply
    37,139,715.70x = 55,709,573.55 × 37,139,715.70
  4. Step 4: Simplify right side
    37,139,715.70x = 2,069,037,723,415,239.75
  5. Step 5: Solve for x
    x = 2,069,037,723,415,239.75/37,139,715.70
  6. Step 6: Final answer
    x = 55,709,573.55

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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.