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Finding the Fourth Proportional to 154,328.10, 231,492.15 and 154,328.10

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Solution

The fourth proportional to 154,328.10, 231,492.15 and 154,328.10 is: 231,492.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,328.10 : 231,492.15 = 154,328.10 : x
  2. Step 2: Convert to fraction form
    154,328.10/231,492.15 = 154,328.10/x
  3. Step 3: Cross multiply
    154,328.10x = 231,492.15 × 154,328.10
  4. Step 4: Simplify right side
    154,328.10x = 35,725,743,674.42
  5. Step 5: Solve for x
    x = 35,725,743,674.42/154,328.10
  6. Step 6: Final answer
    x = 231,492.15

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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.