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Finding the Fourth Proportional to 235,266.40, 352,899.60 and 160,616.80

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Solution

The fourth proportional to 235,266.40, 352,899.60 and 160,616.80 is: 240,925.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,266.40 : 352,899.60 = 160,616.80 : x
  2. Step 2: Convert to fraction form
    235,266.40/352,899.60 = 160,616.80/x
  3. Step 3: Cross multiply
    235,266.40x = 352,899.60 × 160,616.80
  4. Step 4: Simplify right side
    235,266.40x = 56,681,604,473.28
  5. Step 5: Solve for x
    x = 56,681,604,473.28/235,266.40
  6. Step 6: Final answer
    x = 240,925.20

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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.