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Finding the Fourth Proportional to 133,070.88, 183,674.88 and 76,500.48

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Solution

The fourth proportional to 133,070.88, 183,674.88 and 76,500.48 is: 105,591.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,070.88 : 183,674.88 = 76,500.48 : x
  2. Step 2: Convert to fraction form
    133,070.88/183,674.88 = 76,500.48/x
  3. Step 3: Cross multiply
    133,070.88x = 183,674.88 × 76,500.48
  4. Step 4: Simplify right side
    133,070.88x = 14,051,216,483.94
  5. Step 5: Solve for x
    x = 14,051,216,483.94/133,070.88
  6. Step 6: Final answer
    x = 105,591.97

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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.