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Finding the Fourth Proportional to 98,670.22, 148,008.03 and 28,552.30

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Solution

The fourth proportional to 98,670.22, 148,008.03 and 28,552.30 is: 42,829.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,670.22 : 148,008.03 = 28,552.30 : x
  2. Step 2: Convert to fraction form
    98,670.22/148,008.03 = 28,552.30/x
  3. Step 3: Cross multiply
    98,670.22x = 148,008.03 × 28,552.30
  4. Step 4: Simplify right side
    98,670.22x = 4,225,969,674.97
  5. Step 5: Solve for x
    x = 4,225,969,674.97/98,670.22
  6. Step 6: Final answer
    x = 42,829.23

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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.