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Finding the Fourth Proportional to 98,973.68, 148,473.88 and 28,852.44

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Solution

The fourth proportional to 98,973.68, 148,473.88 and 28,852.44 is: 43,282.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,973.68 : 148,473.88 = 28,852.44 : x
  2. Step 2: Convert to fraction form
    98,973.68/148,473.88 = 28,852.44/x
  3. Step 3: Cross multiply
    98,973.68x = 148,473.88 × 28,852.44
  4. Step 4: Simplify right side
    98,973.68x = 4,283,833,714.27
  5. Step 5: Solve for x
    x = 4,283,833,714.27/98,973.68
  6. Step 6: Final answer
    x = 43,282.55

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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.