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Finding the Fourth Proportional to 178,053.54, 245,714.61 and 97,488.57

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Solution

The fourth proportional to 178,053.54, 245,714.61 and 97,488.57 is: 134,534.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,053.54 : 245,714.61 = 97,488.57 : x
  2. Step 2: Convert to fraction form
    178,053.54/245,714.61 = 97,488.57/x
  3. Step 3: Cross multiply
    178,053.54x = 245,714.61 × 97,488.57
  4. Step 4: Simplify right side
    178,053.54x = 23,954,364,728.43
  5. Step 5: Solve for x
    x = 23,954,364,728.43/178,053.54
  6. Step 6: Final answer
    x = 134,534.62

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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.