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Finding the Fourth Proportional to 133,073.60, 183,648.48 and 76,490.24

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Solution

The fourth proportional to 133,073.60, 183,648.48 and 76,490.24 is: 105,560.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,073.60 : 183,648.48 = 76,490.24 : x
  2. Step 2: Convert to fraction form
    133,073.60/183,648.48 = 76,490.24/x
  3. Step 3: Cross multiply
    133,073.60x = 183,648.48 × 76,490.24
  4. Step 4: Simplify right side
    133,073.60x = 14,047,316,310.84
  5. Step 5: Solve for x
    x = 14,047,316,310.84/133,073.60
  6. Step 6: Final answer
    x = 105,560.50

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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.