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Finding the Fourth Proportional to 56,167,477.80, 84,251,216.70 and 27,432,047.40

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Solution

The fourth proportional to 56,167,477.80, 84,251,216.70 and 27,432,047.40 is: 41,148,071.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,167,477.80 : 84,251,216.70 = 27,432,047.40 : x
  2. Step 2: Convert to fraction form
    56,167,477.80/84,251,216.70 = 27,432,047.40/x
  3. Step 3: Cross multiply
    56,167,477.80x = 84,251,216.70 × 27,432,047.40
  4. Step 4: Simplify right side
    56,167,477.80x = 2,311,183,370,022,071.50
  5. Step 5: Solve for x
    x = 2,311,183,370,022,071.50/56,167,477.80
  6. Step 6: Final answer
    x = 41,148,071.10

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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.