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Finding the Fourth Proportional to 66,652,188.74, 91,939,801.16 and 44,020,699.94

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Solution

The fourth proportional to 66,652,188.74, 91,939,801.16 and 44,020,699.94 is: 60,722,002.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,652,188.74 : 91,939,801.16 = 44,020,699.94 : x
  2. Step 2: Convert to fraction form
    66,652,188.74/91,939,801.16 = 44,020,699.94/x
  3. Step 3: Cross multiply
    66,652,188.74x = 91,939,801.16 × 44,020,699.94
  4. Step 4: Simplify right side
    66,652,188.74x = 4,047,254,398,727,821.50
  5. Step 5: Solve for x
    x = 4,047,254,398,727,821.50/66,652,188.74
  6. Step 6: Final answer
    x = 60,722,002.92

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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.