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Finding the Fourth Proportional to 245,566.17, 368,312.76 and 68,054.67

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Solution

The fourth proportional to 245,566.17, 368,312.76 and 68,054.67 is: 102,071.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,566.17 : 368,312.76 = 68,054.67 : x
  2. Step 2: Convert to fraction form
    245,566.17/368,312.76 = 68,054.67/x
  3. Step 3: Cross multiply
    245,566.17x = 368,312.76 × 68,054.67
  4. Step 4: Simplify right side
    245,566.17x = 25,065,403,338.59
  5. Step 5: Solve for x
    x = 25,065,403,338.59/245,566.17
  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.