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Finding the Fourth Proportional to 360,416.32, 540,702.05 and 107,717.35

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Solution

The fourth proportional to 360,416.32, 540,702.05 and 107,717.35 is: 161,599.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,416.32 : 540,702.05 = 107,717.35 : x
  2. Step 2: Convert to fraction form
    360,416.32/540,702.05 = 107,717.35/x
  3. Step 3: Cross multiply
    360,416.32x = 540,702.05 × 107,717.35
  4. Step 4: Simplify right side
    360,416.32x = 58,242,991,965.57
  5. Step 5: Solve for x
    x = 58,242,991,965.57/360,416.32
  6. Step 6: Final answer
    x = 161,599.21

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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.