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Finding the Fourth Proportional to 65,856,262, 90,881,641.56 and 36,882,886

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Solution

The fourth proportional to 65,856,262, 90,881,641.56 and 36,882,886 is: 50,898,382.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,856,262 : 90,881,641.56 = 36,882,886 : x
  2. Step 2: Convert to fraction form
    65,856,262/90,881,641.56 = 36,882,886/x
  3. Step 3: Cross multiply
    65,856,262x = 90,881,641.56 × 36,882,886
  4. Step 4: Simplify right side
    65,856,262x = 3,351,977,225,150,342
  5. Step 5: Solve for x
    x = 3,351,977,225,150,342/65,856,262
  6. Step 6: Final answer
    x = 50,898,382.68

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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.