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Finding the Fourth Proportional to 133,384.85, 184,068.50 and 72,955.32

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Solution

The fourth proportional to 133,384.85, 184,068.50 and 72,955.32 is: 100,676.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,384.85 : 184,068.50 = 72,955.32 : x
  2. Step 2: Convert to fraction form
    133,384.85/184,068.50 = 72,955.32/x
  3. Step 3: Cross multiply
    133,384.85x = 184,068.50 × 72,955.32
  4. Step 4: Simplify right side
    133,384.85x = 13,428,776,319.42
  5. Step 5: Solve for x
    x = 13,428,776,319.42/133,384.85
  6. Step 6: Final answer
    x = 100,676.92

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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.