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Finding the Fourth Proportional to 295,283.80, 442,968.90 and 95,570.20

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Solution

The fourth proportional to 295,283.80, 442,968.90 and 95,570.20 is: 143,369.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,283.80 : 442,968.90 = 95,570.20 : x
  2. Step 2: Convert to fraction form
    295,283.80/442,968.90 = 95,570.20/x
  3. Step 3: Cross multiply
    295,283.80x = 442,968.90 × 95,570.20
  4. Step 4: Simplify right side
    295,283.80x = 42,334,626,366.78
  5. Step 5: Solve for x
    x = 42,334,626,366.78/295,283.80
  6. Step 6: Final answer
    x = 143,369.28

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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.