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Finding the Fourth Proportional to 115,758.95, 173,523.47 and 65,735.51

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Solution

The fourth proportional to 115,758.95, 173,523.47 and 65,735.51 is: 98,537.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,758.95 : 173,523.47 = 65,735.51 : x
  2. Step 2: Convert to fraction form
    115,758.95/173,523.47 = 65,735.51/x
  3. Step 3: Cross multiply
    115,758.95x = 173,523.47 × 65,735.51
  4. Step 4: Simplify right side
    115,758.95x = 11,406,652,601.12
  5. Step 5: Solve for x
    x = 11,406,652,601.12/115,758.95
  6. Step 6: Final answer
    x = 98,537.98

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1.5x scale

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.