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Finding the Fourth Proportional to 178,157.45, 245,857.38 and 97,586.32

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Solution

The fourth proportional to 178,157.45, 245,857.38 and 97,586.32 is: 134,669.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,157.45 : 245,857.38 = 97,586.32 : x
  2. Step 2: Convert to fraction form
    178,157.45/245,857.38 = 97,586.32/x
  3. Step 3: Cross multiply
    178,157.45x = 245,857.38 × 97,586.32
  4. Step 4: Simplify right side
    178,157.45x = 23,992,316,959.04
  5. Step 5: Solve for x
    x = 23,992,316,959.04/178,157.45
  6. Step 6: Final answer
    x = 134,669.18

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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.