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Finding the Fourth Proportional to 85,163,649, 117,525,835.62 and 46,532,481

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Solution

The fourth proportional to 85,163,649, 117,525,835.62 and 46,532,481 is: 64,214,823.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,163,649 : 117,525,835.62 = 46,532,481 : x
  2. Step 2: Convert to fraction form
    85,163,649/117,525,835.62 = 46,532,481/x
  3. Step 3: Cross multiply
    85,163,649x = 117,525,835.62 × 46,532,481
  4. Step 4: Simplify right side
    85,163,649x = 5,468,768,712,996,773
  5. Step 5: Solve for x
    x = 5,468,768,712,996,773/85,163,649
  6. Step 6: Final answer
    x = 64,214,823.78

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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.