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Finding the Fourth Proportional to 245,353.61, 368,001.93 and 67,874.46

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Solution

The fourth proportional to 245,353.61, 368,001.93 and 67,874.46 is: 101,803.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,353.61 : 368,001.93 = 67,874.46 : x
  2. Step 2: Convert to fraction form
    245,353.61/368,001.93 = 67,874.46/x
  3. Step 3: Cross multiply
    245,353.61x = 368,001.93 × 67,874.46
  4. Step 4: Simplify right side
    245,353.61x = 24,977,931,152.23
  5. Step 5: Solve for x
    x = 24,977,931,152.23/245,353.61
  6. Step 6: Final answer
    x = 101,803.81

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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.