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Finding the Fourth Proportional to 133,232.48, 183,773.76 and 85,410.08

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Solution

The fourth proportional to 133,232.48, 183,773.76 and 85,410.08 is: 117,810.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,232.48 : 183,773.76 = 85,410.08 : x
  2. Step 2: Convert to fraction form
    133,232.48/183,773.76 = 85,410.08/x
  3. Step 3: Cross multiply
    133,232.48x = 183,773.76 × 85,410.08
  4. Step 4: Simplify right side
    133,232.48x = 15,696,131,543.50
  5. Step 5: Solve for x
    x = 15,696,131,543.50/133,232.48
  6. Step 6: Final answer
    x = 117,810.10

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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.