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Finding the Fourth Proportional to 175,699.84, 263,219.52 and 86,849.92

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Solution

The fourth proportional to 175,699.84, 263,219.52 and 86,849.92 is: 130,111.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,699.84 : 263,219.52 = 86,849.92 : x
  2. Step 2: Convert to fraction form
    175,699.84/263,219.52 = 86,849.92/x
  3. Step 3: Cross multiply
    175,699.84x = 263,219.52 × 86,849.92
  4. Step 4: Simplify right side
    175,699.84x = 22,860,594,254.44
  5. Step 5: Solve for x
    x = 22,860,594,254.44/175,699.84
  6. Step 6: Final answer
    x = 130,111.64

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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.