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Finding the Fourth Proportional to 354,724.04, 532,173.54 and 105,406.04

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Solution

The fourth proportional to 354,724.04, 532,173.54 and 105,406.04 is: 158,135.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,724.04 : 532,173.54 = 105,406.04 : x
  2. Step 2: Convert to fraction form
    354,724.04/532,173.54 = 105,406.04/x
  3. Step 3: Cross multiply
    354,724.04x = 532,173.54 × 105,406.04
  4. Step 4: Simplify right side
    354,724.04x = 56,094,305,444.18
  5. Step 5: Solve for x
    x = 56,094,305,444.18/354,724.04
  6. Step 6: Final answer
    x = 158,135.05

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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.