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Finding the Fourth Proportional to 66,342,380.40, 99,557,807.40 and 37,588,460.40

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Solution

The fourth proportional to 66,342,380.40, 99,557,807.40 and 37,588,460.40 is: 56,407,754.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,342,380.40 : 99,557,807.40 = 37,588,460.40 : x
  2. Step 2: Convert to fraction form
    66,342,380.40/99,557,807.40 = 37,588,460.40/x
  3. Step 3: Cross multiply
    66,342,380.40x = 99,557,807.40 × 37,588,460.40
  4. Step 4: Simplify right side
    66,342,380.40x = 3,742,224,700,965,727
  5. Step 5: Solve for x
    x = 3,742,224,700,965,727/66,342,380.40
  6. Step 6: Final answer
    x = 56,407,754.42

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.