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Finding the Fourth Proportional to 134,600, 185,575.48 and 110,311.55

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Solution

The fourth proportional to 134,600, 185,575.48 and 110,311.55 is: 152,088.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,600 : 185,575.48 = 110,311.55 : x
  2. Step 2: Convert to fraction form
    134,600/185,575.48 = 110,311.55/x
  3. Step 3: Cross multiply
    134,600x = 185,575.48 × 110,311.55
  4. Step 4: Simplify right side
    134,600x = 20,471,118,840.79
  5. Step 5: Solve for x
    x = 20,471,118,840.79/134,600
  6. Step 6: Final answer
    x = 152,088.55

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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.