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Finding the Fourth Proportional to 66,356,749.60, 99,520,186.80 and 23,806,477.60

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Solution

The fourth proportional to 66,356,749.60, 99,520,186.80 and 23,806,477.60 is: 35,704,357.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,356,749.60 : 99,520,186.80 = 23,806,477.60 : x
  2. Step 2: Convert to fraction form
    66,356,749.60/99,520,186.80 = 23,806,477.60/x
  3. Step 3: Cross multiply
    66,356,749.60x = 99,520,186.80 × 23,806,477.60
  4. Step 4: Simplify right side
    66,356,749.60x = 2,369,225,097,802,016
  5. Step 5: Solve for x
    x = 2,369,225,097,802,016/66,356,749.60
  6. Step 6: Final answer
    x = 35,704,357.31

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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.