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Finding the Fourth Proportional to 249,274.80, 373,669.20 and 142,549.20

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Solution

The fourth proportional to 249,274.80, 373,669.20 and 142,549.20 is: 213,684.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,274.80 : 373,669.20 = 142,549.20 : x
  2. Step 2: Convert to fraction form
    249,274.80/373,669.20 = 142,549.20/x
  3. Step 3: Cross multiply
    249,274.80x = 373,669.20 × 142,549.20
  4. Step 4: Simplify right side
    249,274.80x = 53,266,245,524.64
  5. Step 5: Solve for x
    x = 53,266,245,524.64/249,274.80
  6. Step 6: Final answer
    x = 213,684.84

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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.