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Finding the Fourth Proportional to 112,042.53, 154,617.93 and 61,741.53

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Solution

The fourth proportional to 112,042.53, 154,617.93 and 61,741.53 is: 85,202.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,042.53 : 154,617.93 = 61,741.53 : x
  2. Step 2: Convert to fraction form
    112,042.53/154,617.93 = 61,741.53/x
  3. Step 3: Cross multiply
    112,042.53x = 154,617.93 × 61,741.53
  4. Step 4: Simplify right side
    112,042.53x = 9,546,347,563.63
  5. Step 5: Solve for x
    x = 9,546,347,563.63/112,042.53
  6. Step 6: Final answer
    x = 85,202.89

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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.