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Finding the Fourth Proportional to 176,676.68, 243,820.32 and 101,239.76

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Solution

The fourth proportional to 176,676.68, 243,820.32 and 101,239.76 is: 139,714.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,676.68 : 243,820.32 = 101,239.76 : x
  2. Step 2: Convert to fraction form
    176,676.68/243,820.32 = 101,239.76/x
  3. Step 3: Cross multiply
    176,676.68x = 243,820.32 × 101,239.76
  4. Step 4: Simplify right side
    176,676.68x = 24,684,310,679.92
  5. Step 5: Solve for x
    x = 24,684,310,679.92/176,676.68
  6. Step 6: Final answer
    x = 139,714.59

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1.5x scale

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.