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Finding the Fourth Proportional to 158,075.70, 218,044.70 and 110,311.62

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Solution

The fourth proportional to 158,075.70, 218,044.70 and 110,311.62 is: 152,160.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,075.70 : 218,044.70 = 110,311.62 : x
  2. Step 2: Convert to fraction form
    158,075.70/218,044.70 = 110,311.62/x
  3. Step 3: Cross multiply
    158,075.70x = 218,044.70 × 110,311.62
  4. Step 4: Simplify right side
    158,075.70x = 24,052,864,089.41
  5. Step 5: Solve for x
    x = 24,052,864,089.41/158,075.70
  6. Step 6: Final answer
    x = 152,160.41

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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.