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Finding the Fourth Proportional to 60,495.21, 90,675.54 and 45,656.01

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Solution

The fourth proportional to 60,495.21, 90,675.54 and 45,656.01 is: 68,433.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,495.21 : 90,675.54 = 45,656.01 : x
  2. Step 2: Convert to fraction form
    60,495.21/90,675.54 = 45,656.01/x
  3. Step 3: Cross multiply
    60,495.21x = 90,675.54 × 45,656.01
  4. Step 4: Simplify right side
    60,495.21x = 4,139,883,361.00
  5. Step 5: Solve for x
    x = 4,139,883,361.00/60,495.21
  6. Step 6: Final answer
    x = 68,433.24

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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.