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Finding the Fourth Proportional to 97,745.34, 147,350.46 and 91,235.34

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Solution

The fourth proportional to 97,745.34, 147,350.46 and 91,235.34 is: 137,536.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,745.34 : 147,350.46 = 91,235.34 : x
  2. Step 2: Convert to fraction form
    97,745.34/147,350.46 = 91,235.34/x
  3. Step 3: Cross multiply
    97,745.34x = 147,350.46 × 91,235.34
  4. Step 4: Simplify right side
    97,745.34x = 13,443,569,317.26
  5. Step 5: Solve for x
    x = 13,443,569,317.26/97,745.34
  6. Step 6: Final answer
    x = 137,536.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.