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Finding the Fourth Proportional to 183,698.67, 275,291.40 and 99,276.84

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Solution

The fourth proportional to 183,698.67, 275,291.40 and 99,276.84 is: 148,776.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,698.67 : 275,291.40 = 99,276.84 : x
  2. Step 2: Convert to fraction form
    183,698.67/275,291.40 = 99,276.84/x
  3. Step 3: Cross multiply
    183,698.67x = 275,291.40 × 99,276.84
  4. Step 4: Simplify right side
    183,698.67x = 27,330,060,271.18
  5. Step 5: Solve for x
    x = 27,330,060,271.18/183,698.67
  6. Step 6: Final answer
    x = 148,776.58

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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.