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Finding the Fourth Proportional to 104,976,140.90, 157,464,211.35 and 104,976,140.90

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Solution

The fourth proportional to 104,976,140.90, 157,464,211.35 and 104,976,140.90 is: 157,464,211.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,140.90 : 157,464,211.35 = 104,976,140.90 : x
  2. Step 2: Convert to fraction form
    104,976,140.90/157,464,211.35 = 104,976,140.90/x
  3. Step 3: Cross multiply
    104,976,140.90x = 157,464,211.35 × 104,976,140.90
  4. Step 4: Simplify right side
    104,976,140.90x = 16,529,985,237,384,980
  5. Step 5: Solve for x
    x = 16,529,985,237,384,980/104,976,140.90
  6. Step 6: Final answer
    x = 157,464,211.35

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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.