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Finding the Fourth Proportional to 74,098,845.90, 103,889,549.70 and 74,098,845.90

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Solution

The fourth proportional to 74,098,845.90, 103,889,549.70 and 74,098,845.90 is: 103,889,549.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,098,845.90 : 103,889,549.70 = 74,098,845.90 : x
  2. Step 2: Convert to fraction form
    74,098,845.90/103,889,549.70 = 74,098,845.90/x
  3. Step 3: Cross multiply
    74,098,845.90x = 103,889,549.70 × 74,098,845.90
  4. Step 4: Simplify right side
    74,098,845.90x = 7,698,095,733,840,692
  5. Step 5: Solve for x
    x = 7,698,095,733,840,692/74,098,845.90
  6. Step 6: Final answer
    x = 103,889,549.70

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.