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Finding the Fourth Proportional to 450,059.90, 675,114.66 and 134,541.41

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Solution

The fourth proportional to 450,059.90, 675,114.66 and 134,541.41 is: 201,819.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,059.90 : 675,114.66 = 134,541.41 : x
  2. Step 2: Convert to fraction form
    450,059.90/675,114.66 = 134,541.41/x
  3. Step 3: Cross multiply
    450,059.90x = 675,114.66 × 134,541.41
  4. Step 4: Simplify right side
    450,059.90x = 90,830,879,955.86
  5. Step 5: Solve for x
    x = 90,830,879,955.86/450,059.90
  6. Step 6: Final answer
    x = 201,819.53

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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.