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Finding the Fourth Proportional to 186,995.31, 280,492.96 and 46,753.93

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Solution

The fourth proportional to 186,995.31, 280,492.96 and 46,753.93 is: 70,130.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,995.31 : 280,492.96 = 46,753.93 : x
  2. Step 2: Convert to fraction form
    186,995.31/280,492.96 = 46,753.93/x
  3. Step 3: Cross multiply
    186,995.31x = 280,492.96 × 46,753.93
  4. Step 4: Simplify right side
    186,995.31x = 13,114,148,217.33
  5. Step 5: Solve for x
    x = 13,114,148,217.33/186,995.31
  6. Step 6: Final answer
    x = 70,130.89

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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.