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Finding the Fourth Proportional to 229,738.64, 344,607 and 61,258.64

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Solution

The fourth proportional to 229,738.64, 344,607 and 61,258.64 is: 91,887.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,738.64 : 344,607 = 61,258.64 : x
  2. Step 2: Convert to fraction form
    229,738.64/344,607 = 61,258.64/x
  3. Step 3: Cross multiply
    229,738.64x = 344,607 × 61,258.64
  4. Step 4: Simplify right side
    229,738.64x = 21,110,156,154.48
  5. Step 5: Solve for x
    x = 21,110,156,154.48/229,738.64
  6. Step 6: Final answer
    x = 91,887.70

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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.