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Finding the Fourth Proportional to 223,363.40, 334,461.90 and 144,048.20

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Solution

The fourth proportional to 223,363.40, 334,461.90 and 144,048.20 is: 215,696.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,363.40 : 334,461.90 = 144,048.20 : x
  2. Step 2: Convert to fraction form
    223,363.40/334,461.90 = 144,048.20/x
  3. Step 3: Cross multiply
    223,363.40x = 334,461.90 × 144,048.20
  4. Step 4: Simplify right side
    223,363.40x = 48,178,634,663.58
  5. Step 5: Solve for x
    x = 48,178,634,663.58/223,363.40
  6. Step 6: Final answer
    x = 215,696.19

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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.