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Finding the Fourth Proportional to 183,256.72, 274,990.80 and 99,017.12

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Solution

The fourth proportional to 183,256.72, 274,990.80 and 99,017.12 is: 148,582.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,256.72 : 274,990.80 = 99,017.12 : x
  2. Step 2: Convert to fraction form
    183,256.72/274,990.80 = 99,017.12/x
  3. Step 3: Cross multiply
    183,256.72x = 274,990.80 × 99,017.12
  4. Step 4: Simplify right side
    183,256.72x = 27,228,797,042.50
  5. Step 5: Solve for x
    x = 27,228,797,042.50/183,256.72
  6. Step 6: Final answer
    x = 148,582.80

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1.5x scale

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.