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Finding the Fourth Proportional to 136,210.60, 204,315.90 and 94,220.20

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Solution

The fourth proportional to 136,210.60, 204,315.90 and 94,220.20 is: 141,330.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,210.60 : 204,315.90 = 94,220.20 : x
  2. Step 2: Convert to fraction form
    136,210.60/204,315.90 = 94,220.20/x
  3. Step 3: Cross multiply
    136,210.60x = 204,315.90 × 94,220.20
  4. Step 4: Simplify right side
    136,210.60x = 19,250,684,961.18
  5. Step 5: Solve for x
    x = 19,250,684,961.18/136,210.60
  6. Step 6: Final answer
    x = 141,330.30

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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.