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Finding the Fourth Proportional to 201,809,689.60, 302,714,534.40 and 109,737,536.35

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Solution

The fourth proportional to 201,809,689.60, 302,714,534.40 and 109,737,536.35 is: 164,606,304.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,809,689.60 : 302,714,534.40 = 109,737,536.35 : x
  2. Step 2: Convert to fraction form
    201,809,689.60/302,714,534.40 = 109,737,536.35/x
  3. Step 3: Cross multiply
    201,809,689.60x = 302,714,534.40 × 109,737,536.35
  4. Step 4: Simplify right side
    201,809,689.60x = 33,219,147,222,393,320
  5. Step 5: Solve for x
    x = 33,219,147,222,393,320/201,809,689.60
  6. Step 6: Final answer
    x = 164,606,304.53

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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.