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Finding the Fourth Proportional to 133,989.71, 184,909.80 and 73,564.43

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Solution

The fourth proportional to 133,989.71, 184,909.80 and 73,564.43 is: 101,521.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,989.71 : 184,909.80 = 73,564.43 : x
  2. Step 2: Convert to fraction form
    133,989.71/184,909.80 = 73,564.43/x
  3. Step 3: Cross multiply
    133,989.71x = 184,909.80 × 73,564.43
  4. Step 4: Simplify right side
    133,989.71x = 13,602,783,113.87
  5. Step 5: Solve for x
    x = 13,602,783,113.87/133,989.71
  6. Step 6: Final answer
    x = 101,521.11

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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.