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Finding the Fourth Proportional to 248,927.30, 373,342.35 and 82,715.30

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Solution

The fourth proportional to 248,927.30, 373,342.35 and 82,715.30 is: 124,056.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,927.30 : 373,342.35 = 82,715.30 : x
  2. Step 2: Convert to fraction form
    248,927.30/373,342.35 = 82,715.30/x
  3. Step 3: Cross multiply
    248,927.30x = 373,342.35 × 82,715.30
  4. Step 4: Simplify right side
    248,927.30x = 30,881,124,482.96
  5. Step 5: Solve for x
    x = 30,881,124,482.96/248,927.30
  6. Step 6: Final answer
    x = 124,056.80

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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.