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Finding the Fourth Proportional to 160,965.60, 241,437.60 and 42,634.40

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Solution

The fourth proportional to 160,965.60, 241,437.60 and 42,634.40 is: 63,948.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,965.60 : 241,437.60 = 42,634.40 : x
  2. Step 2: Convert to fraction form
    160,965.60/241,437.60 = 42,634.40/x
  3. Step 3: Cross multiply
    160,965.60x = 241,437.60 × 42,634.40
  4. Step 4: Simplify right side
    160,965.60x = 10,293,547,213.44
  5. Step 5: Solve for x
    x = 10,293,547,213.44/160,965.60
  6. Step 6: Final answer
    x = 63,948.74

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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.