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Finding the Fourth Proportional to 211,152,043.90, 296,015,969.30 and 211,152,043.90

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Solution

The fourth proportional to 211,152,043.90, 296,015,969.30 and 211,152,043.90 is: 296,015,969.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,152,043.90 : 296,015,969.30 = 211,152,043.90 : x
  2. Step 2: Convert to fraction form
    211,152,043.90/296,015,969.30 = 211,152,043.90/x
  3. Step 3: Cross multiply
    211,152,043.90x = 296,015,969.30 × 211,152,043.90
  4. Step 4: Simplify right side
    211,152,043.90x = 62,504,376,944,734,656
  5. Step 5: Solve for x
    x = 62,504,376,944,734,656/211,152,043.90
  6. Step 6: Final answer
    x = 296,015,969.30

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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.