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Finding the Fourth Proportional to 229,775.36, 344,663.28 and 72,016.16

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Solution

The fourth proportional to 229,775.36, 344,663.28 and 72,016.16 is: 108,024.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,775.36 : 344,663.28 = 72,016.16 : x
  2. Step 2: Convert to fraction form
    229,775.36/344,663.28 = 72,016.16/x
  3. Step 3: Cross multiply
    229,775.36x = 344,663.28 × 72,016.16
  4. Step 4: Simplify right side
    229,775.36x = 24,821,325,918.60
  5. Step 5: Solve for x
    x = 24,821,325,918.60/229,775.36
  6. Step 6: Final answer
    x = 108,024.32

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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.