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Finding the Fourth Proportional to 180,479.58, 270,985.50 and 100,673.48

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Solution

The fourth proportional to 180,479.58, 270,985.50 and 100,673.48 is: 151,158.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,479.58 : 270,985.50 = 100,673.48 : x
  2. Step 2: Convert to fraction form
    180,479.58/270,985.50 = 100,673.48/x
  3. Step 3: Cross multiply
    180,479.58x = 270,985.50 × 100,673.48
  4. Step 4: Simplify right side
    180,479.58x = 27,281,051,959.61
  5. Step 5: Solve for x
    x = 27,281,051,959.61/180,479.58
  6. Step 6: Final answer
    x = 151,158.66

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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.