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Finding the Fourth Proportional to 40,072,601.70, 56,271,703.50 and 40,072,601.70

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Solution

The fourth proportional to 40,072,601.70, 56,271,703.50 and 40,072,601.70 is: 56,271,703.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,072,601.70 : 56,271,703.50 = 40,072,601.70 : x
  2. Step 2: Convert to fraction form
    40,072,601.70/56,271,703.50 = 40,072,601.70/x
  3. Step 3: Cross multiply
    40,072,601.70x = 56,271,703.50 × 40,072,601.70
  4. Step 4: Simplify right side
    40,072,601.70x = 2,254,953,561,335,996
  5. Step 5: Solve for x
    x = 2,254,953,561,335,996/40,072,601.70
  6. Step 6: Final answer
    x = 56,271,703.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.