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Finding the Fourth Proportional to 238,412.64, 357,611.58 and 98,065.56

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Solution

The fourth proportional to 238,412.64, 357,611.58 and 98,065.56 is: 147,095.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,412.64 : 357,611.58 = 98,065.56 : x
  2. Step 2: Convert to fraction form
    238,412.64/357,611.58 = 98,065.56/x
  3. Step 3: Cross multiply
    238,412.64x = 357,611.58 × 98,065.56
  4. Step 4: Simplify right side
    238,412.64x = 35,069,379,855.18
  5. Step 5: Solve for x
    x = 35,069,379,855.18/238,412.64
  6. Step 6: Final answer
    x = 147,095.30

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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.