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Finding the Fourth Proportional to 163,155.61, 244,723.54 and 97,016.63

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Solution

The fourth proportional to 163,155.61, 244,723.54 and 97,016.63 is: 145,519.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,155.61 : 244,723.54 = 97,016.63 : x
  2. Step 2: Convert to fraction form
    163,155.61/244,723.54 = 97,016.63/x
  3. Step 3: Cross multiply
    163,155.61x = 244,723.54 × 97,016.63
  4. Step 4: Simplify right side
    163,155.61x = 23,742,253,132.47
  5. Step 5: Solve for x
    x = 23,742,253,132.47/163,155.61
  6. Step 6: Final answer
    x = 145,519.07

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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.