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Finding the Fourth Proportional to 112,334,920.40, 168,250,438.20 and 112,334,920.40

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Solution

The fourth proportional to 112,334,920.40, 168,250,438.20 and 112,334,920.40 is: 168,250,438.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,334,920.40 : 168,250,438.20 = 112,334,920.40 : x
  2. Step 2: Convert to fraction form
    112,334,920.40/168,250,438.20 = 112,334,920.40/x
  3. Step 3: Cross multiply
    112,334,920.40x = 168,250,438.20 × 112,334,920.40
  4. Step 4: Simplify right side
    112,334,920.40x = 18,900,399,582,462,120
  5. Step 5: Solve for x
    x = 18,900,399,582,462,120/112,334,920.40
  6. Step 6: Final answer
    x = 168,250,438.20

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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.