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Finding the Fourth Proportional to 252,389.52, 348,316.20 and 144,964.08

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Solution

The fourth proportional to 252,389.52, 348,316.20 and 144,964.08 is: 200,061.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,389.52 : 348,316.20 = 144,964.08 : x
  2. Step 2: Convert to fraction form
    252,389.52/348,316.20 = 144,964.08/x
  3. Step 3: Cross multiply
    252,389.52x = 348,316.20 × 144,964.08
  4. Step 4: Simplify right side
    252,389.52x = 50,493,337,482.10
  5. Step 5: Solve for x
    x = 50,493,337,482.10/252,389.52
  6. Step 6: Final answer
    x = 200,061.15

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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.