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Finding the Fourth Proportional to 298,160.02, 447,145.18 and 98,443.22

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Solution

The fourth proportional to 298,160.02, 447,145.18 and 98,443.22 is: 147,633.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,160.02 : 447,145.18 = 98,443.22 : x
  2. Step 2: Convert to fraction form
    298,160.02/447,145.18 = 98,443.22/x
  3. Step 3: Cross multiply
    298,160.02x = 447,145.18 × 98,443.22
  4. Step 4: Simplify right side
    298,160.02x = 44,018,411,326.68
  5. Step 5: Solve for x
    x = 44,018,411,326.68/298,160.02
  6. Step 6: Final answer
    x = 147,633.51

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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.