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Finding the Fourth Proportional to 169,989,000.80, 254,983,501.20 and 55,056,027.20

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Solution

The fourth proportional to 169,989,000.80, 254,983,501.20 and 55,056,027.20 is: 82,584,040.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,989,000.80 : 254,983,501.20 = 55,056,027.20 : x
  2. Step 2: Convert to fraction form
    169,989,000.80/254,983,501.20 = 55,056,027.20/x
  3. Step 3: Cross multiply
    169,989,000.80x = 254,983,501.20 × 55,056,027.20
  4. Step 4: Simplify right side
    169,989,000.80x = 14,038,378,577,618,432
  5. Step 5: Solve for x
    x = 14,038,378,577,618,432/169,989,000.80
  6. Step 6: Final answer
    x = 82,584,040.80

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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.