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Finding the Fourth Proportional to 163,468.52, 243,772.25 and 161,973.76

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Solution

The fourth proportional to 163,468.52, 243,772.25 and 161,973.76 is: 241,543.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,468.52 : 243,772.25 = 161,973.76 : x
  2. Step 2: Convert to fraction form
    163,468.52/243,772.25 = 161,973.76/x
  3. Step 3: Cross multiply
    163,468.52x = 243,772.25 × 161,973.76
  4. Step 4: Simplify right side
    163,468.52x = 39,484,706,496.86
  5. Step 5: Solve for x
    x = 39,484,706,496.86/163,468.52
  6. Step 6: Final answer
    x = 241,543.19

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.