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Finding the Fourth Proportional to 259,134.58, 357,483.54 and 151,638.67

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Solution

The fourth proportional to 259,134.58, 357,483.54 and 151,638.67 is: 209,189.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,134.58 : 357,483.54 = 151,638.67 : x
  2. Step 2: Convert to fraction form
    259,134.58/357,483.54 = 151,638.67/x
  3. Step 3: Cross multiply
    259,134.58x = 357,483.54 × 151,638.67
  4. Step 4: Simplify right side
    259,134.58x = 54,208,328,552.49
  5. Step 5: Solve for x
    x = 54,208,328,552.49/259,134.58
  6. Step 6: Final answer
    x = 209,189.87

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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.