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Finding the Fourth Proportional to 156,052.40, 233,495.40 and 103,564.40

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Solution

The fourth proportional to 156,052.40, 233,495.40 and 103,564.40 is: 154,959.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,052.40 : 233,495.40 = 103,564.40 : x
  2. Step 2: Convert to fraction form
    156,052.40/233,495.40 = 103,564.40/x
  3. Step 3: Cross multiply
    156,052.40x = 233,495.40 × 103,564.40
  4. Step 4: Simplify right side
    156,052.40x = 24,181,811,003.76
  5. Step 5: Solve for x
    x = 24,181,811,003.76/156,052.40
  6. Step 6: Final answer
    x = 154,959.56

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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.