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Finding the Fourth Proportional to 65,833,231.40, 91,939,775.80 and 65,833,231.40

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Solution

The fourth proportional to 65,833,231.40, 91,939,775.80 and 65,833,231.40 is: 91,939,775.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,833,231.40 : 91,939,775.80 = 65,833,231.40 : x
  2. Step 2: Convert to fraction form
    65,833,231.40/91,939,775.80 = 65,833,231.40/x
  3. Step 3: Cross multiply
    65,833,231.40x = 91,939,775.80 × 65,833,231.40
  4. Step 4: Simplify right side
    65,833,231.40x = 6,052,692,535,105,520
  5. Step 5: Solve for x
    x = 6,052,692,535,105,520/65,833,231.40
  6. Step 6: Final answer
    x = 91,939,775.80

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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.