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Finding the Fourth Proportional to 61,890,866.64, 85,411,443.67 and 34,014,564.97

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Solution

The fourth proportional to 61,890,866.64, 85,411,443.67 and 34,014,564.97 is: 46,941,225.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,890,866.64 : 85,411,443.67 = 34,014,564.97 : x
  2. Step 2: Convert to fraction form
    61,890,866.64/85,411,443.67 = 34,014,564.97/x
  3. Step 3: Cross multiply
    61,890,866.64x = 85,411,443.67 × 34,014,564.97
  4. Step 4: Simplify right side
    61,890,866.64x = 2,905,233,099,596,145.50
  5. Step 5: Solve for x
    x = 2,905,233,099,596,145.50/61,890,866.64
  6. Step 6: Final answer
    x = 46,941,225.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.