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Finding the Fourth Proportional to 113,952.45, 157,222.37 and 65,551.85

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Solution

The fourth proportional to 113,952.45, 157,222.37 and 65,551.85 is: 90,443.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,952.45 : 157,222.37 = 65,551.85 : x
  2. Step 2: Convert to fraction form
    113,952.45/157,222.37 = 65,551.85/x
  3. Step 3: Cross multiply
    113,952.45x = 157,222.37 × 65,551.85
  4. Step 4: Simplify right side
    113,952.45x = 10,306,216,101.01
  5. Step 5: Solve for x
    x = 10,306,216,101.01/113,952.45
  6. Step 6: Final answer
    x = 90,443.13

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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.