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Finding the Fourth Proportional to 178,063.49, 245,718.28 and 97,475.58

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Solution

The fourth proportional to 178,063.49, 245,718.28 and 97,475.58 is: 134,511.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,063.49 : 245,718.28 = 97,475.58 : x
  2. Step 2: Convert to fraction form
    178,063.49/245,718.28 = 97,475.58/x
  3. Step 3: Cross multiply
    178,063.49x = 245,718.28 × 97,475.58
  4. Step 4: Simplify right side
    178,063.49x = 23,951,531,859.60
  5. Step 5: Solve for x
    x = 23,951,531,859.60/178,063.49
  6. Step 6: Final answer
    x = 134,511.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.