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Finding the Fourth Proportional to 253,054.16, 348,976.05 and 162,437.84

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Solution

The fourth proportional to 253,054.16, 348,976.05 and 162,437.84 is: 224,011.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,054.16 : 348,976.05 = 162,437.84 : x
  2. Step 2: Convert to fraction form
    253,054.16/348,976.05 = 162,437.84/x
  3. Step 3: Cross multiply
    253,054.16x = 348,976.05 × 162,437.84
  4. Step 4: Simplify right side
    253,054.16x = 56,686,915,773.73
  5. Step 5: Solve for x
    x = 56,686,915,773.73/253,054.16
  6. Step 6: Final answer
    x = 224,011.00

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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.