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Finding the Fourth Proportional to 99,166,812.60, 148,750,218.90 and 99,166,812.60

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Solution

The fourth proportional to 99,166,812.60, 148,750,218.90 and 99,166,812.60 is: 148,750,218.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,166,812.60 : 148,750,218.90 = 99,166,812.60 : x
  2. Step 2: Convert to fraction form
    99,166,812.60/148,750,218.90 = 99,166,812.60/x
  3. Step 3: Cross multiply
    99,166,812.60x = 148,750,218.90 × 99,166,812.60
  4. Step 4: Simplify right side
    99,166,812.60x = 14,751,085,081,865,278
  5. Step 5: Solve for x
    x = 14,751,085,081,865,278/99,166,812.60
  6. Step 6: Final answer
    x = 148,750,218.90

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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.