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Finding the Fourth Proportional to 40,701,699.60, 61,052,549.40 and 39,522,051.60

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Solution

The fourth proportional to 40,701,699.60, 61,052,549.40 and 39,522,051.60 is: 59,283,077.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,701,699.60 : 61,052,549.40 = 39,522,051.60 : x
  2. Step 2: Convert to fraction form
    40,701,699.60/61,052,549.40 = 39,522,051.60/x
  3. Step 3: Cross multiply
    40,701,699.60x = 61,052,549.40 × 39,522,051.60
  4. Step 4: Simplify right side
    40,701,699.60x = 2,412,922,007,698,349
  5. Step 5: Solve for x
    x = 2,412,922,007,698,349/40,701,699.60
  6. Step 6: Final answer
    x = 59,283,077.40

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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.