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Finding the Fourth Proportional to 157,464,336.60, 220,676,819.40 and 157,464,336.60

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Solution

The fourth proportional to 157,464,336.60, 220,676,819.40 and 157,464,336.60 is: 220,676,819.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,336.60 : 220,676,819.40 = 157,464,336.60 : x
  2. Step 2: Convert to fraction form
    157,464,336.60/220,676,819.40 = 157,464,336.60/x
  3. Step 3: Cross multiply
    157,464,336.60x = 220,676,819.40 × 157,464,336.60
  4. Step 4: Simplify right side
    157,464,336.60x = 34,748,728,969,819,008
  5. Step 5: Solve for x
    x = 34,748,728,969,819,008/157,464,336.60
  6. Step 6: Final answer
    x = 220,676,819.40

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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.