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Finding the Fourth Proportional to 269,346.51, 371,700.72 and 148,492.08

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Solution

The fourth proportional to 269,346.51, 371,700.72 and 148,492.08 is: 204,920.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,346.51 : 371,700.72 = 148,492.08 : x
  2. Step 2: Convert to fraction form
    269,346.51/371,700.72 = 148,492.08/x
  3. Step 3: Cross multiply
    269,346.51x = 371,700.72 × 148,492.08
  4. Step 4: Simplify right side
    269,346.51x = 55,194,613,050.30
  5. Step 5: Solve for x
    x = 55,194,613,050.30/269,346.51
  6. Step 6: Final answer
    x = 204,920.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.