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Finding the Fourth Proportional to 195,860.80, 293,733.60 and 77,492.80

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Solution

The fourth proportional to 195,860.80, 293,733.60 and 77,492.80 is: 116,216.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,860.80 : 293,733.60 = 77,492.80 : x
  2. Step 2: Convert to fraction form
    195,860.80/293,733.60 = 77,492.80/x
  3. Step 3: Cross multiply
    195,860.80x = 293,733.60 × 77,492.80
  4. Step 4: Simplify right side
    195,860.80x = 22,762,239,118.08
  5. Step 5: Solve for x
    x = 22,762,239,118.08/195,860.80
  6. Step 6: Final answer
    x = 116,216.41

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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.