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Finding the Fourth Proportional to 158,461.60, 237,692.40 and 69,620.80

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Solution

The fourth proportional to 158,461.60, 237,692.40 and 69,620.80 is: 104,431.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,461.60 : 237,692.40 = 69,620.80 : x
  2. Step 2: Convert to fraction form
    158,461.60/237,692.40 = 69,620.80/x
  3. Step 3: Cross multiply
    158,461.60x = 237,692.40 × 69,620.80
  4. Step 4: Simplify right side
    158,461.60x = 16,548,335,041.92
  5. Step 5: Solve for x
    x = 16,548,335,041.92/158,461.60
  6. Step 6: Final answer
    x = 104,431.20

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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.