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Finding the Fourth Proportional to 163,151.64, 244,774.85 and 57,978.81

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Solution

The fourth proportional to 163,151.64, 244,774.85 and 57,978.81 is: 86,985.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,151.64 : 244,774.85 = 57,978.81 : x
  2. Step 2: Convert to fraction form
    163,151.64/244,774.85 = 57,978.81/x
  3. Step 3: Cross multiply
    163,151.64x = 244,774.85 × 57,978.81
  4. Step 4: Simplify right side
    163,151.64x = 14,191,754,231.03
  5. Step 5: Solve for x
    x = 14,191,754,231.03/163,151.64
  6. Step 6: Final answer
    x = 86,985.05

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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.