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Finding the Fourth Proportional to 53,901,602.60, 80,852,403.90 and 45,398,546.60

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Solution

The fourth proportional to 53,901,602.60, 80,852,403.90 and 45,398,546.60 is: 68,097,819.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,901,602.60 : 80,852,403.90 = 45,398,546.60 : x
  2. Step 2: Convert to fraction form
    53,901,602.60/80,852,403.90 = 45,398,546.60/x
  3. Step 3: Cross multiply
    53,901,602.60x = 80,852,403.90 × 45,398,546.60
  4. Step 4: Simplify right side
    53,901,602.60x = 3,670,581,626,176,172
  5. Step 5: Solve for x
    x = 3,670,581,626,176,172/53,901,602.60
  6. Step 6: Final answer
    x = 68,097,819.90

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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.