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Finding the Fourth Proportional to 130,988.80, 196,482.32 and 37,494.80

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Solution

The fourth proportional to 130,988.80, 196,482.32 and 37,494.80 is: 56,241.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,988.80 : 196,482.32 = 37,494.80 : x
  2. Step 2: Convert to fraction form
    130,988.80/196,482.32 = 37,494.80/x
  3. Step 3: Cross multiply
    130,988.80x = 196,482.32 × 37,494.80
  4. Step 4: Simplify right side
    130,988.80x = 7,367,065,291.94
  5. Step 5: Solve for x
    x = 7,367,065,291.94/130,988.80
  6. Step 6: Final answer
    x = 56,241.95

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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.