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Finding the Fourth Proportional to 92,699,548.74, 127,867,188.64 and 54,996,019.21

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Solution

The fourth proportional to 92,699,548.74, 127,867,188.64 and 54,996,019.21 is: 75,859,984.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,699,548.74 : 127,867,188.64 = 54,996,019.21 : x
  2. Step 2: Convert to fraction form
    92,699,548.74/127,867,188.64 = 54,996,019.21/x
  3. Step 3: Cross multiply
    92,699,548.74x = 127,867,188.64 × 54,996,019.21
  4. Step 4: Simplify right side
    92,699,548.74x = 7,032,186,363,234,062
  5. Step 5: Solve for x
    x = 7,032,186,363,234,062/92,699,548.74
  6. Step 6: Final answer
    x = 75,859,984.85

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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.