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Finding the Fourth Proportional to 160,496.64, 240,739.20 and 60,652.80

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Solution

The fourth proportional to 160,496.64, 240,739.20 and 60,652.80 is: 90,977.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,496.64 : 240,739.20 = 60,652.80 : x
  2. Step 2: Convert to fraction form
    160,496.64/240,739.20 = 60,652.80/x
  3. Step 3: Cross multiply
    160,496.64x = 240,739.20 × 60,652.80
  4. Step 4: Simplify right side
    160,496.64x = 14,601,506,549.76
  5. Step 5: Solve for x
    x = 14,601,506,549.76/160,496.64
  6. Step 6: Final answer
    x = 90,977.02

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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.