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Finding the Fourth Proportional to 149,383.80, 224,075.70 and 60,640.20

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Solution

The fourth proportional to 149,383.80, 224,075.70 and 60,640.20 is: 90,960.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,383.80 : 224,075.70 = 60,640.20 : x
  2. Step 2: Convert to fraction form
    149,383.80/224,075.70 = 60,640.20/x
  3. Step 3: Cross multiply
    149,383.80x = 224,075.70 × 60,640.20
  4. Step 4: Simplify right side
    149,383.80x = 13,587,995,263.14
  5. Step 5: Solve for x
    x = 13,587,995,263.14/149,383.80
  6. Step 6: Final answer
    x = 90,960.30

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1.5x scale

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.