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Finding the Fourth Proportional to 243,048.56, 364,629.54 and 83,125.73

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Solution

The fourth proportional to 243,048.56, 364,629.54 and 83,125.73 is: 124,707.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,048.56 : 364,629.54 = 83,125.73 : x
  2. Step 2: Convert to fraction form
    243,048.56/364,629.54 = 83,125.73/x
  3. Step 3: Cross multiply
    243,048.56x = 364,629.54 × 83,125.73
  4. Step 4: Simplify right side
    243,048.56x = 30,310,097,915.36
  5. Step 5: Solve for x
    x = 30,310,097,915.36/243,048.56
  6. Step 6: Final answer
    x = 124,707.99

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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.