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Finding the Fourth Proportional to 355,739.94, 533,570.46 and 89,500.50

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Solution

The fourth proportional to 355,739.94, 533,570.46 and 89,500.50 is: 134,240.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,739.94 : 533,570.46 = 89,500.50 : x
  2. Step 2: Convert to fraction form
    355,739.94/533,570.46 = 89,500.50/x
  3. Step 3: Cross multiply
    355,739.94x = 533,570.46 × 89,500.50
  4. Step 4: Simplify right side
    355,739.94x = 47,754,822,955.23
  5. Step 5: Solve for x
    x = 47,754,822,955.23/355,739.94
  6. Step 6: Final answer
    x = 134,240.82

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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.