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Finding the Fourth Proportional to 178,187.41, 245,900.10 and 97,622.45

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Solution

The fourth proportional to 178,187.41, 245,900.10 and 97,622.45 is: 134,719.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,187.41 : 245,900.10 = 97,622.45 : x
  2. Step 2: Convert to fraction form
    178,187.41/245,900.10 = 97,622.45/x
  3. Step 3: Cross multiply
    178,187.41x = 245,900.10 × 97,622.45
  4. Step 4: Simplify right side
    178,187.41x = 24,005,370,275.95
  5. Step 5: Solve for x
    x = 24,005,370,275.95/178,187.41
  6. Step 6: Final answer
    x = 134,719.79

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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.