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Finding the Fourth Proportional to 355,900.75, 533,851.43 and 89,659.01

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Solution

The fourth proportional to 355,900.75, 533,851.43 and 89,659.01 is: 134,488.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,900.75 : 533,851.43 = 89,659.01 : x
  2. Step 2: Convert to fraction form
    355,900.75/533,851.43 = 89,659.01/x
  3. Step 3: Cross multiply
    355,900.75x = 533,851.43 × 89,659.01
  4. Step 4: Simplify right side
    355,900.75x = 47,864,591,587.22
  5. Step 5: Solve for x
    x = 47,864,591,587.22/355,900.75
  6. Step 6: Final answer
    x = 134,488.60

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1.5x scale

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.