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Finding the Fourth Proportional to 245,566.16, 368,312.78 and 68,054.66

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Solution

The fourth proportional to 245,566.16, 368,312.78 and 68,054.66 is: 102,071.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,566.16 : 368,312.78 = 68,054.66 : x
  2. Step 2: Convert to fraction form
    245,566.16/368,312.78 = 68,054.66/x
  3. Step 3: Cross multiply
    245,566.16x = 368,312.78 × 68,054.66
  4. Step 4: Simplify right side
    245,566.16x = 25,065,401,016.55
  5. Step 5: Solve for x
    x = 25,065,401,016.55/245,566.16
  6. Step 6: Final answer
    x = 102,071.89

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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.