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Finding the Fourth Proportional to 74,946.51, 112,475.48 and 35,503.79

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Solution

The fourth proportional to 74,946.51, 112,475.48 and 35,503.79 is: 53,282.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,946.51 : 112,475.48 = 35,503.79 : x
  2. Step 2: Convert to fraction form
    74,946.51/112,475.48 = 35,503.79/x
  3. Step 3: Cross multiply
    74,946.51x = 112,475.48 × 35,503.79
  4. Step 4: Simplify right side
    74,946.51x = 3,993,305,082.17
  5. Step 5: Solve for x
    x = 3,993,305,082.17/74,946.51
  6. Step 6: Final answer
    x = 53,282.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.