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Finding the Fourth Proportional to 114,765.80, 172,148.82 and 35,880.44

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Solution

The fourth proportional to 114,765.80, 172,148.82 and 35,880.44 is: 53,820.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,765.80 : 172,148.82 = 35,880.44 : x
  2. Step 2: Convert to fraction form
    114,765.80/172,148.82 = 35,880.44/x
  3. Step 3: Cross multiply
    114,765.80x = 172,148.82 × 35,880.44
  4. Step 4: Simplify right side
    114,765.80x = 6,176,775,407.08
  5. Step 5: Solve for x
    x = 6,176,775,407.08/114,765.80
  6. Step 6: Final answer
    x = 53,820.70

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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.