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Finding the Fourth Proportional to 371,233.94, 556,751.55 and 104,931.86

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Solution

The fourth proportional to 371,233.94, 556,751.55 and 104,931.86 is: 157,369.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,233.94 : 556,751.55 = 104,931.86 : x
  2. Step 2: Convert to fraction form
    371,233.94/556,751.55 = 104,931.86/x
  3. Step 3: Cross multiply
    371,233.94x = 556,751.55 × 104,931.86
  4. Step 4: Simplify right side
    371,233.94x = 58,420,975,699.38
  5. Step 5: Solve for x
    x = 58,420,975,699.38/371,233.94
  6. Step 6: Final answer
    x = 157,369.71

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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.