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Finding the Fourth Proportional to 189,612.48, 283,582.14 and 168,699.30

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Solution

The fourth proportional to 189,612.48, 283,582.14 and 168,699.30 is: 252,304.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,612.48 : 283,582.14 = 168,699.30 : x
  2. Step 2: Convert to fraction form
    189,612.48/283,582.14 = 168,699.30/x
  3. Step 3: Cross multiply
    189,612.48x = 283,582.14 × 168,699.30
  4. Step 4: Simplify right side
    189,612.48x = 47,840,108,510.50
  5. Step 5: Solve for x
    x = 47,840,108,510.50/189,612.48
  6. Step 6: Final answer
    x = 252,304.64

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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.