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Finding the Fourth Proportional to 251,685.86, 377,594.14 and 93,915.50

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Solution

The fourth proportional to 251,685.86, 377,594.14 and 93,915.50 is: 140,897.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,685.86 : 377,594.14 = 93,915.50 : x
  2. Step 2: Convert to fraction form
    251,685.86/377,594.14 = 93,915.50/x
  3. Step 3: Cross multiply
    251,685.86x = 377,594.14 × 93,915.50
  4. Step 4: Simplify right side
    251,685.86x = 35,461,942,455.17
  5. Step 5: Solve for x
    x = 35,461,942,455.17/251,685.86
  6. Step 6: Final answer
    x = 140,897.64

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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.