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Finding the Fourth Proportional to 205,075.60, 307,325.40 and 163,027.60

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Solution

The fourth proportional to 205,075.60, 307,325.40 and 163,027.60 is: 244,312.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,075.60 : 307,325.40 = 163,027.60 : x
  2. Step 2: Convert to fraction form
    205,075.60/307,325.40 = 163,027.60/x
  3. Step 3: Cross multiply
    205,075.60x = 307,325.40 × 163,027.60
  4. Step 4: Simplify right side
    205,075.60x = 50,102,522,381.04
  5. Step 5: Solve for x
    x = 50,102,522,381.04/205,075.60
  6. Step 6: Final answer
    x = 244,312.45

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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.