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Finding the Fourth Proportional to 158,532.53, 237,823.40 and 53,343.30

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Solution

The fourth proportional to 158,532.53, 237,823.40 and 53,343.30 is: 80,023.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,532.53 : 237,823.40 = 53,343.30 : x
  2. Step 2: Convert to fraction form
    158,532.53/237,823.40 = 53,343.30/x
  3. Step 3: Cross multiply
    158,532.53x = 237,823.40 × 53,343.30
  4. Step 4: Simplify right side
    158,532.53x = 12,686,284,973.22
  5. Step 5: Solve for x
    x = 12,686,284,973.22/158,532.53
  6. Step 6: Final answer
    x = 80,023.23

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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.