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Finding the Fourth Proportional to 63,365,692.84, 87,604,575.87 and 46,819,720.78

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Solution

The fourth proportional to 63,365,692.84, 87,604,575.87 and 46,819,720.78 is: 64,729,376.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,365,692.84 : 87,604,575.87 = 46,819,720.78 : x
  2. Step 2: Convert to fraction form
    63,365,692.84/87,604,575.87 = 46,819,720.78/x
  3. Step 3: Cross multiply
    63,365,692.84x = 87,604,575.87 × 46,819,720.78
  4. Step 4: Simplify right side
    63,365,692.84x = 4,101,621,781,240,288.50
  5. Step 5: Solve for x
    x = 4,101,621,781,240,288.50/63,365,692.84
  6. Step 6: Final answer
    x = 64,729,376.38

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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.