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Finding the Fourth Proportional to 259,845.48, 358,485.48 and 152,375.76

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Solution

The fourth proportional to 259,845.48, 358,485.48 and 152,375.76 is: 210,219.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,845.48 : 358,485.48 = 152,375.76 : x
  2. Step 2: Convert to fraction form
    259,845.48/358,485.48 = 152,375.76/x
  3. Step 3: Cross multiply
    259,845.48x = 358,485.48 × 152,375.76
  4. Step 4: Simplify right side
    259,845.48x = 54,624,497,463.96
  5. Step 5: Solve for x
    x = 54,624,497,463.96/259,845.48
  6. Step 6: Final answer
    x = 210,219.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.