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Finding the Fourth Proportional to 239,052.79, 358,495.53 and 70,528.33

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Solution

The fourth proportional to 239,052.79, 358,495.53 and 70,528.33 is: 105,767.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,052.79 : 358,495.53 = 70,528.33 : x
  2. Step 2: Convert to fraction form
    239,052.79/358,495.53 = 70,528.33/x
  3. Step 3: Cross multiply
    239,052.79x = 358,495.53 × 70,528.33
  4. Step 4: Simplify right side
    239,052.79x = 25,284,091,043.36
  5. Step 5: Solve for x
    x = 25,284,091,043.36/239,052.79
  6. Step 6: Final answer
    x = 105,767.81

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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.