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Finding the Fourth Proportional to 46,808,432.70, 70,212,649.05 and 43,974,080.70

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Solution

The fourth proportional to 46,808,432.70, 70,212,649.05 and 43,974,080.70 is: 65,961,121.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,808,432.70 : 70,212,649.05 = 43,974,080.70 : x
  2. Step 2: Convert to fraction form
    46,808,432.70/70,212,649.05 = 43,974,080.70/x
  3. Step 3: Cross multiply
    46,808,432.70x = 70,212,649.05 × 43,974,080.70
  4. Step 4: Simplify right side
    46,808,432.70x = 3,087,536,695,485,478.50
  5. Step 5: Solve for x
    x = 3,087,536,695,485,478.50/46,808,432.70
  6. Step 6: Final answer
    x = 65,961,121.05

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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.