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Finding the Fourth Proportional to 115,745.10, 173,488.05 and 65,849.10

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Solution

The fourth proportional to 115,745.10, 173,488.05 and 65,849.10 is: 98,699.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,745.10 : 173,488.05 = 65,849.10 : x
  2. Step 2: Convert to fraction form
    115,745.10/173,488.05 = 65,849.10/x
  3. Step 3: Cross multiply
    115,745.10x = 173,488.05 × 65,849.10
  4. Step 4: Simplify right side
    115,745.10x = 11,424,031,953.26
  5. Step 5: Solve for x
    x = 11,424,031,953.26/115,745.10
  6. Step 6: Final answer
    x = 98,699.92

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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.