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Finding the Fourth Proportional to 253,291.40, 379,937.01 and 95,482.95

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Solution

The fourth proportional to 253,291.40, 379,937.01 and 95,482.95 is: 143,224.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,291.40 : 379,937.01 = 95,482.95 : x
  2. Step 2: Convert to fraction form
    253,291.40/379,937.01 = 95,482.95/x
  3. Step 3: Cross multiply
    253,291.40x = 379,937.01 × 95,482.95
  4. Step 4: Simplify right side
    253,291.40x = 36,277,506,528.98
  5. Step 5: Solve for x
    x = 36,277,506,528.98/253,291.40
  6. Step 6: Final answer
    x = 143,224.39

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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.