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Finding the Fourth Proportional to 163,877.96, 226,151.96 and 91,280.27

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Solution

The fourth proportional to 163,877.96, 226,151.96 and 91,280.27 is: 125,966.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,877.96 : 226,151.96 = 91,280.27 : x
  2. Step 2: Convert to fraction form
    163,877.96/226,151.96 = 91,280.27/x
  3. Step 3: Cross multiply
    163,877.96x = 226,151.96 × 91,280.27
  4. Step 4: Simplify right side
    163,877.96x = 20,643,211,969.83
  5. Step 5: Solve for x
    x = 20,643,211,969.83/163,877.96
  6. Step 6: Final answer
    x = 125,966.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.