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Finding the Fourth Proportional to 177,128.40, 265,692.60 and 153,800.40

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Solution

The fourth proportional to 177,128.40, 265,692.60 and 153,800.40 is: 230,700.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,128.40 : 265,692.60 = 153,800.40 : x
  2. Step 2: Convert to fraction form
    177,128.40/265,692.60 = 153,800.40/x
  3. Step 3: Cross multiply
    177,128.40x = 265,692.60 × 153,800.40
  4. Step 4: Simplify right side
    177,128.40x = 40,863,628,157.04
  5. Step 5: Solve for x
    x = 40,863,628,157.04/177,128.40
  6. Step 6: Final answer
    x = 230,700.60

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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.