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Finding the Fourth Proportional to 181,506.80, 272,260.20 and 114,730.40

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Solution

The fourth proportional to 181,506.80, 272,260.20 and 114,730.40 is: 172,095.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,506.80 : 272,260.20 = 114,730.40 : x
  2. Step 2: Convert to fraction form
    181,506.80/272,260.20 = 114,730.40/x
  3. Step 3: Cross multiply
    181,506.80x = 272,260.20 × 114,730.40
  4. Step 4: Simplify right side
    181,506.80x = 31,236,521,650.08
  5. Step 5: Solve for x
    x = 31,236,521,650.08/181,506.80
  6. Step 6: Final answer
    x = 172,095.60

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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.