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Finding the Fourth Proportional to 133,603.77, 184,373.28 and 73,178.22

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Solution

The fourth proportional to 133,603.77, 184,373.28 and 73,178.22 is: 100,985.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,603.77 : 184,373.28 = 73,178.22 : x
  2. Step 2: Convert to fraction form
    133,603.77/184,373.28 = 73,178.22/x
  3. Step 3: Cross multiply
    133,603.77x = 184,373.28 × 73,178.22
  4. Step 4: Simplify right side
    133,603.77x = 13,492,108,445.96
  5. Step 5: Solve for x
    x = 13,492,108,445.96/133,603.77
  6. Step 6: Final answer
    x = 100,985.99

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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.