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Finding the Fourth Proportional to 153,313.62, 230,008.40 and 73,412.39

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Solution

The fourth proportional to 153,313.62, 230,008.40 and 73,412.39 is: 110,136.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,313.62 : 230,008.40 = 73,412.39 : x
  2. Step 2: Convert to fraction form
    153,313.62/230,008.40 = 73,412.39/x
  3. Step 3: Cross multiply
    153,313.62x = 230,008.40 × 73,412.39
  4. Step 4: Simplify right side
    153,313.62x = 16,885,465,214.03
  5. Step 5: Solve for x
    x = 16,885,465,214.03/153,313.62
  6. Step 6: Final answer
    x = 110,136.76

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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.