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Finding the Fourth Proportional to 160,345.98, 240,390.99 and 76,063.86

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Solution

The fourth proportional to 160,345.98, 240,390.99 and 76,063.86 is: 114,035.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,345.98 : 240,390.99 = 76,063.86 : x
  2. Step 2: Convert to fraction form
    160,345.98/240,390.99 = 76,063.86/x
  3. Step 3: Cross multiply
    160,345.98x = 240,390.99 × 76,063.86
  4. Step 4: Simplify right side
    160,345.98x = 18,285,066,608.62
  5. Step 5: Solve for x
    x = 18,285,066,608.62/160,345.98
  6. Step 6: Final answer
    x = 114,035.08

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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.