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Finding the Fourth Proportional to 159,452,835.40, 223,385,135 and 159,452,835.40

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Solution

The fourth proportional to 159,452,835.40, 223,385,135 and 159,452,835.40 is: 223,385,135

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,452,835.40 : 223,385,135 = 159,452,835.40 : x
  2. Step 2: Convert to fraction form
    159,452,835.40/223,385,135 = 159,452,835.40/x
  3. Step 3: Cross multiply
    159,452,835.40x = 223,385,135 × 159,452,835.40
  4. Step 4: Simplify right side
    159,452,835.40x = 35,619,393,161,961,780
  5. Step 5: Solve for x
    x = 35,619,393,161,961,780/159,452,835.40
  6. Step 6: Final answer
    x = 223,385,135

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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.