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Finding the Fourth Proportional to 98,633.58, 147,715.51 and 62,984.47

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Solution

The fourth proportional to 98,633.58, 147,715.51 and 62,984.47 is: 94,326.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,633.58 : 147,715.51 = 62,984.47 : x
  2. Step 2: Convert to fraction form
    98,633.58/147,715.51 = 62,984.47/x
  3. Step 3: Cross multiply
    98,633.58x = 147,715.51 × 62,984.47
  4. Step 4: Simplify right side
    98,633.58x = 9,303,783,108.13
  5. Step 5: Solve for x
    x = 9,303,783,108.13/98,633.58
  6. Step 6: Final answer
    x = 94,326.73

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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.