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Finding the Fourth Proportional to 98,615.08, 147,908.04 and 36,271

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Solution

The fourth proportional to 98,615.08, 147,908.04 and 36,271 is: 54,401.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,615.08 : 147,908.04 = 36,271 : x
  2. Step 2: Convert to fraction form
    98,615.08/147,908.04 = 36,271/x
  3. Step 3: Cross multiply
    98,615.08x = 147,908.04 × 36,271
  4. Step 4: Simplify right side
    98,615.08x = 5,364,772,518.84
  5. Step 5: Solve for x
    x = 5,364,772,518.84/98,615.08
  6. Step 6: Final answer
    x = 54,401.14

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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.