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Finding the Fourth Proportional to 163,663.56, 245,495.34 and 51,361.11

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Solution

The fourth proportional to 163,663.56, 245,495.34 and 51,361.11 is: 77,041.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,663.56 : 245,495.34 = 51,361.11 : x
  2. Step 2: Convert to fraction form
    163,663.56/245,495.34 = 51,361.11/x
  3. Step 3: Cross multiply
    163,663.56x = 245,495.34 × 51,361.11
  4. Step 4: Simplify right side
    163,663.56x = 12,608,913,162.23
  5. Step 5: Solve for x
    x = 12,608,913,162.23/163,663.56
  6. Step 6: Final answer
    x = 77,041.67

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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.