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Finding the Fourth Proportional to 238,546.08, 357,730.56 and 70,020

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Solution

The fourth proportional to 238,546.08, 357,730.56 and 70,020 is: 105,004.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,546.08 : 357,730.56 = 70,020 : x
  2. Step 2: Convert to fraction form
    238,546.08/357,730.56 = 70,020/x
  3. Step 3: Cross multiply
    238,546.08x = 357,730.56 × 70,020
  4. Step 4: Simplify right side
    238,546.08x = 25,048,293,811.20
  5. Step 5: Solve for x
    x = 25,048,293,811.20/238,546.08
  6. Step 6: Final answer
    x = 105,004.01

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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.