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Finding the Fourth Proportional to 163,592.64, 245,388.63 and 45,263.64

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Solution

The fourth proportional to 163,592.64, 245,388.63 and 45,263.64 is: 67,895.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,592.64 : 245,388.63 = 45,263.64 : x
  2. Step 2: Convert to fraction form
    163,592.64/245,388.63 = 45,263.64/x
  3. Step 3: Cross multiply
    163,592.64x = 245,388.63 × 45,263.64
  4. Step 4: Simplify right side
    163,592.64x = 11,107,182,608.41
  5. Step 5: Solve for x
    x = 11,107,182,608.41/163,592.64
  6. Step 6: Final answer
    x = 67,895.37

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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.