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Finding the Fourth Proportional to 153,661.16, 230,184.30 and 122,124.44

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Solution

The fourth proportional to 153,661.16, 230,184.30 and 122,124.44 is: 182,942.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,661.16 : 230,184.30 = 122,124.44 : x
  2. Step 2: Convert to fraction form
    153,661.16/230,184.30 = 122,124.44/x
  3. Step 3: Cross multiply
    153,661.16x = 230,184.30 × 122,124.44
  4. Step 4: Simplify right side
    153,661.16x = 28,111,128,734.29
  5. Step 5: Solve for x
    x = 28,111,128,734.29/153,661.16
  6. Step 6: Final answer
    x = 182,942.32

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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.