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Finding the Fourth Proportional to 537,157.60, 805,851.60 and 163,218.40

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Solution

The fourth proportional to 537,157.60, 805,851.60 and 163,218.40 is: 244,862.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,157.60 : 805,851.60 = 163,218.40 : x
  2. Step 2: Convert to fraction form
    537,157.60/805,851.60 = 163,218.40/x
  3. Step 3: Cross multiply
    537,157.60x = 805,851.60 × 163,218.40
  4. Step 4: Simplify right side
    537,157.60x = 131,529,808,789.44
  5. Step 5: Solve for x
    x = 131,529,808,789.44/537,157.60
  6. Step 6: Final answer
    x = 244,862.60

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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.