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Finding the Fourth Proportional to 373,145.84, 559,935.59 and 156,988.73

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Solution

The fourth proportional to 373,145.84, 559,935.59 and 156,988.73 is: 235,574.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,145.84 : 559,935.59 = 156,988.73 : x
  2. Step 2: Convert to fraction form
    373,145.84/559,935.59 = 156,988.73/x
  3. Step 3: Cross multiply
    373,145.84x = 559,935.59 × 156,988.73
  4. Step 4: Simplify right side
    373,145.84x = 87,903,577,770.80
  5. Step 5: Solve for x
    x = 87,903,577,770.80/373,145.84
  6. Step 6: Final answer
    x = 235,574.32

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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.