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Finding the Fourth Proportional to 345,344.40, 518,045.92 and 96,026.40

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Solution

The fourth proportional to 345,344.40, 518,045.92 and 96,026.40 is: 144,047.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,344.40 : 518,045.92 = 96,026.40 : x
  2. Step 2: Convert to fraction form
    345,344.40/518,045.92 = 96,026.40/x
  3. Step 3: Cross multiply
    345,344.40x = 518,045.92 × 96,026.40
  4. Step 4: Simplify right side
    345,344.40x = 49,746,084,732.29
  5. Step 5: Solve for x
    x = 49,746,084,732.29/345,344.40
  6. Step 6: Final answer
    x = 144,047.75

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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.