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Finding the Fourth Proportional to 186,995.30, 280,492.96 and 46,753.94

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Solution

The fourth proportional to 186,995.30, 280,492.96 and 46,753.94 is: 70,130.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,995.30 : 280,492.96 = 46,753.94 : x
  2. Step 2: Convert to fraction form
    186,995.30/280,492.96 = 46,753.94/x
  3. Step 3: Cross multiply
    186,995.30x = 280,492.96 × 46,753.94
  4. Step 4: Simplify right side
    186,995.30x = 13,114,151,022.26
  5. Step 5: Solve for x
    x = 13,114,151,022.26/186,995.30
  6. Step 6: Final answer
    x = 70,130.91

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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.