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Finding the Fourth Proportional to 97,283.79, 134,241.80 and 71,804.07

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Solution

The fourth proportional to 97,283.79, 134,241.80 and 71,804.07 is: 99,082.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,283.79 : 134,241.80 = 71,804.07 : x
  2. Step 2: Convert to fraction form
    97,283.79/134,241.80 = 71,804.07/x
  3. Step 3: Cross multiply
    97,283.79x = 134,241.80 × 71,804.07
  4. Step 4: Simplify right side
    97,283.79x = 9,639,107,245.11
  5. Step 5: Solve for x
    x = 9,639,107,245.11/97,283.79
  6. Step 6: Final answer
    x = 99,082.36

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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.