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Finding the Fourth Proportional to 45,892,016.80, 68,838,025.20 and 25,484,682.40

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Solution

The fourth proportional to 45,892,016.80, 68,838,025.20 and 25,484,682.40 is: 38,227,023.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,892,016.80 : 68,838,025.20 = 25,484,682.40 : x
  2. Step 2: Convert to fraction form
    45,892,016.80/68,838,025.20 = 25,484,682.40/x
  3. Step 3: Cross multiply
    45,892,016.80x = 68,838,025.20 × 25,484,682.40
  4. Step 4: Simplify right side
    45,892,016.80x = 1,754,315,209,265,196.50
  5. Step 5: Solve for x
    x = 1,754,315,209,265,196.50/45,892,016.80
  6. Step 6: Final answer
    x = 38,227,023.60

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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.