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Finding the Fourth Proportional to 113,772,506.78, 170,658,760.17 and 113,772,506.78

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Solution

The fourth proportional to 113,772,506.78, 170,658,760.17 and 113,772,506.78 is: 170,658,760.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,772,506.78 : 170,658,760.17 = 113,772,506.78 : x
  2. Step 2: Convert to fraction form
    113,772,506.78/170,658,760.17 = 113,772,506.78/x
  3. Step 3: Cross multiply
    113,772,506.78x = 170,658,760.17 × 113,772,506.78
  4. Step 4: Simplify right side
    113,772,506.78x = 19,416,274,948,507,716
  5. Step 5: Solve for x
    x = 19,416,274,948,507,716/113,772,506.78
  6. Step 6: Final answer
    x = 170,658,760.17

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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.