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Finding the Fourth Proportional to 29,140,848.80, 40,856,908 and 29,140,848.80

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Solution

The fourth proportional to 29,140,848.80, 40,856,908 and 29,140,848.80 is: 40,856,908

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,140,848.80 : 40,856,908 = 29,140,848.80 : x
  2. Step 2: Convert to fraction form
    29,140,848.80/40,856,908 = 29,140,848.80/x
  3. Step 3: Cross multiply
    29,140,848.80x = 40,856,908 × 29,140,848.80
  4. Step 4: Simplify right side
    29,140,848.80x = 1,190,604,978,463,510.50
  5. Step 5: Solve for x
    x = 1,190,604,978,463,510.50/29,140,848.80
  6. Step 6: Final answer
    x = 40,856,908

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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.