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Finding the Fourth Proportional to 59,339,912.90, 89,009,869.35 and 36,381,661.70

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Solution

The fourth proportional to 59,339,912.90, 89,009,869.35 and 36,381,661.70 is: 54,572,492.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,339,912.90 : 89,009,869.35 = 36,381,661.70 : x
  2. Step 2: Convert to fraction form
    59,339,912.90/89,009,869.35 = 36,381,661.70/x
  3. Step 3: Cross multiply
    59,339,912.90x = 89,009,869.35 × 36,381,661.70
  4. Step 4: Simplify right side
    59,339,912.90x = 3,238,326,954,652,899
  5. Step 5: Solve for x
    x = 3,238,326,954,652,899/59,339,912.90
  6. Step 6: Final answer
    x = 54,572,492.55

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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.