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Finding the Fourth Proportional to 117,358,465.90, 164,641,974.50 and 117,358,465.90

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Solution

The fourth proportional to 117,358,465.90, 164,641,974.50 and 117,358,465.90 is: 164,641,974.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,358,465.90 : 164,641,974.50 = 117,358,465.90 : x
  2. Step 2: Convert to fraction form
    117,358,465.90/164,641,974.50 = 117,358,465.90/x
  3. Step 3: Cross multiply
    117,358,465.90x = 164,641,974.50 × 117,358,465.90
  4. Step 4: Simplify right side
    117,358,465.90x = 19,322,129,550,066,920
  5. Step 5: Solve for x
    x = 19,322,129,550,066,920/117,358,465.90
  6. Step 6: Final answer
    x = 164,641,974.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.