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Finding the Fourth Proportional to 70,073,852.70, 105,092,116.65 and 21,551,612.70

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Solution

The fourth proportional to 70,073,852.70, 105,092,116.65 and 21,551,612.70 is: 32,321,679.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,073,852.70 : 105,092,116.65 = 21,551,612.70 : x
  2. Step 2: Convert to fraction form
    70,073,852.70/105,092,116.65 = 21,551,612.70/x
  3. Step 3: Cross multiply
    70,073,852.70x = 105,092,116.65 × 21,551,612.70
  4. Step 4: Simplify right side
    70,073,852.70x = 2,264,904,595,864,021.50
  5. Step 5: Solve for x
    x = 2,264,904,595,864,021.50/70,073,852.70
  6. Step 6: Final answer
    x = 32,321,679.32

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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.