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Finding the Fourth Proportional to 228,123.84, 342,281.28 and 101,676.96

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Solution

The fourth proportional to 228,123.84, 342,281.28 and 101,676.96 is: 152,558.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,123.84 : 342,281.28 = 101,676.96 : x
  2. Step 2: Convert to fraction form
    228,123.84/342,281.28 = 101,676.96/x
  3. Step 3: Cross multiply
    228,123.84x = 342,281.28 × 101,676.96
  4. Step 4: Simplify right side
    228,123.84x = 34,802,120,015.31
  5. Step 5: Solve for x
    x = 34,802,120,015.31/228,123.84
  6. Step 6: Final answer
    x = 152,558.01

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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.