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Finding the Fourth Proportional to 70,860,486.30, 106,101,772.65 and 70,860,486.30

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Solution

The fourth proportional to 70,860,486.30, 106,101,772.65 and 70,860,486.30 is: 106,101,772.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,860,486.30 : 106,101,772.65 = 70,860,486.30 : x
  2. Step 2: Convert to fraction form
    70,860,486.30/106,101,772.65 = 70,860,486.30/x
  3. Step 3: Cross multiply
    70,860,486.30x = 106,101,772.65 × 70,860,486.30
  4. Step 4: Simplify right side
    70,860,486.30x = 7,518,423,207,271,040
  5. Step 5: Solve for x
    x = 7,518,423,207,271,040/70,860,486.30
  6. Step 6: Final answer
    x = 106,101,772.65

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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.