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Finding the Fourth Proportional to 121,519, 182,359.50 and 46,700.92

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Solution

The fourth proportional to 121,519, 182,359.50 and 46,700.92 is: 70,082.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,519 : 182,359.50 = 46,700.92 : x
  2. Step 2: Convert to fraction form
    121,519/182,359.50 = 46,700.92/x
  3. Step 3: Cross multiply
    121,519x = 182,359.50 × 46,700.92
  4. Step 4: Simplify right side
    121,519x = 8,516,356,420.74
  5. Step 5: Solve for x
    x = 8,516,356,420.74/121,519
  6. Step 6: Final answer
    x = 70,082.51

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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.