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Finding the Fourth Proportional to 164,423.61, 246,661.25 and 69,654.06

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Solution

The fourth proportional to 164,423.61, 246,661.25 and 69,654.06 is: 104,492.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,423.61 : 246,661.25 = 69,654.06 : x
  2. Step 2: Convert to fraction form
    164,423.61/246,661.25 = 69,654.06/x
  3. Step 3: Cross multiply
    164,423.61x = 246,661.25 × 69,654.06
  4. Step 4: Simplify right side
    164,423.61x = 17,180,957,158.90
  5. Step 5: Solve for x
    x = 17,180,957,158.90/164,423.61
  6. Step 6: Final answer
    x = 104,492.03

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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.