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Finding the Fourth Proportional to 130,655,710.80, 196,046,551.80 and 92,234,494.80

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Solution

The fourth proportional to 130,655,710.80, 196,046,551.80 and 92,234,494.80 is: 138,396,205.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,655,710.80 : 196,046,551.80 = 92,234,494.80 : x
  2. Step 2: Convert to fraction form
    130,655,710.80/196,046,551.80 = 92,234,494.80/x
  3. Step 3: Cross multiply
    130,655,710.80x = 196,046,551.80 × 92,234,494.80
  4. Step 4: Simplify right side
    130,655,710.80x = 18,082,254,662,555,032
  5. Step 5: Solve for x
    x = 18,082,254,662,555,032/130,655,710.80
  6. Step 6: Final answer
    x = 138,396,205.97

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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.