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Finding the Fourth Proportional to 98,369.86, 147,518.58 and 35,172.94

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Solution

The fourth proportional to 98,369.86, 147,518.58 and 35,172.94 is: 52,746.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,369.86 : 147,518.58 = 35,172.94 : x
  2. Step 2: Convert to fraction form
    98,369.86/147,518.58 = 35,172.94/x
  3. Step 3: Cross multiply
    98,369.86x = 147,518.58 × 35,172.94
  4. Step 4: Simplify right side
    98,369.86x = 5,188,662,163.23
  5. Step 5: Solve for x
    x = 5,188,662,163.23/98,369.86
  6. Step 6: Final answer
    x = 52,746.46

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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.