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Finding the Fourth Proportional to 208,486.04, 313,075.01 and 130,098.48

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Solution

The fourth proportional to 208,486.04, 313,075.01 and 130,098.48 is: 195,363.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,486.04 : 313,075.01 = 130,098.48 : x
  2. Step 2: Convert to fraction form
    208,486.04/313,075.01 = 130,098.48/x
  3. Step 3: Cross multiply
    208,486.04x = 313,075.01 × 130,098.48
  4. Step 4: Simplify right side
    208,486.04x = 40,730,582,276.49
  5. Step 5: Solve for x
    x = 40,730,582,276.49/208,486.04
  6. Step 6: Final answer
    x = 195,363.60

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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.