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Finding the Fourth Proportional to 158,274.15, 237,300.48 and 79,345.32

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Solution

The fourth proportional to 158,274.15, 237,300.48 and 79,345.32 is: 118,962.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,274.15 : 237,300.48 = 79,345.32 : x
  2. Step 2: Convert to fraction form
    158,274.15/237,300.48 = 79,345.32/x
  3. Step 3: Cross multiply
    158,274.15x = 237,300.48 × 79,345.32
  4. Step 4: Simplify right side
    158,274.15x = 18,828,682,521.75
  5. Step 5: Solve for x
    x = 18,828,682,521.75/158,274.15
  6. Step 6: Final answer
    x = 118,962.46

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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.