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Finding the Fourth Proportional to 59,900.10, 89,881.74 and 45,851.46

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Solution

The fourth proportional to 59,900.10, 89,881.74 and 45,851.46 is: 68,801.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,900.10 : 89,881.74 = 45,851.46 : x
  2. Step 2: Convert to fraction form
    59,900.10/89,881.74 = 45,851.46/x
  3. Step 3: Cross multiply
    59,900.10x = 89,881.74 × 45,851.46
  4. Step 4: Simplify right side
    59,900.10x = 4,121,209,006.34
  5. Step 5: Solve for x
    x = 4,121,209,006.34/59,900.10
  6. Step 6: Final answer
    x = 68,801.37

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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.