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Finding the Fourth Proportional to 152,075.58, 209,890.34 and 88,450.28

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Solution

The fourth proportional to 152,075.58, 209,890.34 and 88,450.28 is: 122,076.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,075.58 : 209,890.34 = 88,450.28 : x
  2. Step 2: Convert to fraction form
    152,075.58/209,890.34 = 88,450.28/x
  3. Step 3: Cross multiply
    152,075.58x = 209,890.34 × 88,450.28
  4. Step 4: Simplify right side
    152,075.58x = 18,564,858,969.37
  5. Step 5: Solve for x
    x = 18,564,858,969.37/152,075.58
  6. Step 6: Final answer
    x = 122,076.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.