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Finding the Fourth Proportional to 98,479, 147,718.50 and 24,607

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Solution

The fourth proportional to 98,479, 147,718.50 and 24,607 is: 36,910.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,479 : 147,718.50 = 24,607 : x
  2. Step 2: Convert to fraction form
    98,479/147,718.50 = 24,607/x
  3. Step 3: Cross multiply
    98,479x = 147,718.50 × 24,607
  4. Step 4: Simplify right side
    98,479x = 3,634,909,129.50
  5. Step 5: Solve for x
    x = 3,634,909,129.50/98,479
  6. Step 6: Final answer
    x = 36,910.50

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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.