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Finding the Fourth Proportional to 159,019,820.10, 238,529,730.15 and 159,019,820.10

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Solution

The fourth proportional to 159,019,820.10, 238,529,730.15 and 159,019,820.10 is: 238,529,730.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,019,820.10 : 238,529,730.15 = 159,019,820.10 : x
  2. Step 2: Convert to fraction form
    159,019,820.10/238,529,730.15 = 159,019,820.10/x
  3. Step 3: Cross multiply
    159,019,820.10x = 238,529,730.15 × 159,019,820.10
  4. Step 4: Simplify right side
    159,019,820.10x = 37,930,954,776,954,544
  5. Step 5: Solve for x
    x = 37,930,954,776,954,544/159,019,820.10
  6. Step 6: Final answer
    x = 238,529,730.15

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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.