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Finding the Fourth Proportional to 164,900.10, 247,350.15 and 163,915.95

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Solution

The fourth proportional to 164,900.10, 247,350.15 and 163,915.95 is: 245,873.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,900.10 : 247,350.15 = 163,915.95 : x
  2. Step 2: Convert to fraction form
    164,900.10/247,350.15 = 163,915.95/x
  3. Step 3: Cross multiply
    164,900.10x = 247,350.15 × 163,915.95
  4. Step 4: Simplify right side
    164,900.10x = 40,544,634,819.89
  5. Step 5: Solve for x
    x = 40,544,634,819.89/164,900.10
  6. Step 6: Final answer
    x = 245,873.93

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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.