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Finding the Fourth Proportional to 133,727.40, 200,526.30 and 74,500.20

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Solution

The fourth proportional to 133,727.40, 200,526.30 and 74,500.20 is: 111,714.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,727.40 : 200,526.30 = 74,500.20 : x
  2. Step 2: Convert to fraction form
    133,727.40/200,526.30 = 74,500.20/x
  3. Step 3: Cross multiply
    133,727.40x = 200,526.30 × 74,500.20
  4. Step 4: Simplify right side
    133,727.40x = 14,939,249,455.26
  5. Step 5: Solve for x
    x = 14,939,249,455.26/133,727.40
  6. Step 6: Final answer
    x = 111,714.20

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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.