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Finding the Fourth Proportional to 149,346.60, 224,457.30 and 146,722.20

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Solution

The fourth proportional to 149,346.60, 224,457.30 and 146,722.20 is: 220,513.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,346.60 : 224,457.30 = 146,722.20 : x
  2. Step 2: Convert to fraction form
    149,346.60/224,457.30 = 146,722.20/x
  3. Step 3: Cross multiply
    149,346.60x = 224,457.30 × 146,722.20
  4. Step 4: Simplify right side
    149,346.60x = 32,932,868,862.06
  5. Step 5: Solve for x
    x = 32,932,868,862.06/149,346.60
  6. Step 6: Final answer
    x = 220,513.01

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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.