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Finding the Fourth Proportional to 46,652,215.80, 69,978,323.70 and 29,688,094.20

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Solution

The fourth proportional to 46,652,215.80, 69,978,323.70 and 29,688,094.20 is: 44,532,141.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,652,215.80 : 69,978,323.70 = 29,688,094.20 : x
  2. Step 2: Convert to fraction form
    46,652,215.80/69,978,323.70 = 29,688,094.20/x
  3. Step 3: Cross multiply
    46,652,215.80x = 69,978,323.70 × 29,688,094.20
  4. Step 4: Simplify right side
    46,652,215.80x = 2,077,523,065,963,692.50
  5. Step 5: Solve for x
    x = 2,077,523,065,963,692.50/46,652,215.80
  6. Step 6: Final answer
    x = 44,532,141.30

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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.