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Finding the Fourth Proportional to 61,367,274.64, 92,048,669.74 and 18,235,357.03

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Solution

The fourth proportional to 61,367,274.64, 92,048,669.74 and 18,235,357.03 is: 27,352,369.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,367,274.64 : 92,048,669.74 = 18,235,357.03 : x
  2. Step 2: Convert to fraction form
    61,367,274.64/92,048,669.74 = 18,235,357.03/x
  3. Step 3: Cross multiply
    61,367,274.64x = 92,048,669.74 × 18,235,357.03
  4. Step 4: Simplify right side
    61,367,274.64x = 1,678,540,356,845,457.25
  5. Step 5: Solve for x
    x = 1,678,540,356,845,457.25/61,367,274.64
  6. Step 6: Final answer
    x = 27,352,369.27

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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.