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Finding the Fourth Proportional to 64,447,471.70, 96,671,207.55 and 38,967,074.90

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Solution

The fourth proportional to 64,447,471.70, 96,671,207.55 and 38,967,074.90 is: 58,450,612.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,447,471.70 : 96,671,207.55 = 38,967,074.90 : x
  2. Step 2: Convert to fraction form
    64,447,471.70/96,671,207.55 = 38,967,074.90/x
  3. Step 3: Cross multiply
    64,447,471.70x = 96,671,207.55 × 38,967,074.90
  4. Step 4: Simplify right side
    64,447,471.70x = 3,766,994,185,274,295
  5. Step 5: Solve for x
    x = 3,766,994,185,274,295/64,447,471.70
  6. Step 6: Final answer
    x = 58,450,612.35

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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.