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Finding the Fourth Proportional to 177,075.70, 265,786.35 and 88,429.30

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Solution

The fourth proportional to 177,075.70, 265,786.35 and 88,429.30 is: 132,730.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,075.70 : 265,786.35 = 88,429.30 : x
  2. Step 2: Convert to fraction form
    177,075.70/265,786.35 = 88,429.30/x
  3. Step 3: Cross multiply
    177,075.70x = 265,786.35 × 88,429.30
  4. Step 4: Simplify right side
    177,075.70x = 23,503,300,880.06
  5. Step 5: Solve for x
    x = 23,503,300,880.06/177,075.70
  6. Step 6: Final answer
    x = 132,730.24

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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.