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Finding the Fourth Proportional to 119,809.80, 179,714.70 and 36,703.80

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Solution

The fourth proportional to 119,809.80, 179,714.70 and 36,703.80 is: 55,055.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,809.80 : 179,714.70 = 36,703.80 : x
  2. Step 2: Convert to fraction form
    119,809.80/179,714.70 = 36,703.80/x
  3. Step 3: Cross multiply
    119,809.80x = 179,714.70 × 36,703.80
  4. Step 4: Simplify right side
    119,809.80x = 6,596,212,405.86
  5. Step 5: Solve for x
    x = 6,596,212,405.86/119,809.80
  6. Step 6: Final answer
    x = 55,055.70

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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.