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Finding the Fourth Proportional to 161,308.16, 241,913.03 and 42,964.10

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Solution

The fourth proportional to 161,308.16, 241,913.03 and 42,964.10 is: 64,433.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,308.16 : 241,913.03 = 42,964.10 : x
  2. Step 2: Convert to fraction form
    161,308.16/241,913.03 = 42,964.10/x
  3. Step 3: Cross multiply
    161,308.16x = 241,913.03 × 42,964.10
  4. Step 4: Simplify right side
    161,308.16x = 10,393,574,187.84
  5. Step 5: Solve for x
    x = 10,393,574,187.84/161,308.16
  6. Step 6: Final answer
    x = 64,433.04

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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.