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Finding the Fourth Proportional to 158,729.44, 238,079.58 and 53,549.32

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Solution

The fourth proportional to 158,729.44, 238,079.58 and 53,549.32 is: 80,319.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,729.44 : 238,079.58 = 53,549.32 : x
  2. Step 2: Convert to fraction form
    158,729.44/238,079.58 = 53,549.32/x
  3. Step 3: Cross multiply
    158,729.44x = 238,079.58 × 53,549.32
  4. Step 4: Simplify right side
    158,729.44x = 12,749,000,410.89
  5. Step 5: Solve for x
    x = 12,749,000,410.89/158,729.44
  6. Step 6: Final answer
    x = 80,319.07

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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.