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Finding the Fourth Proportional to 111,755.55, 154,184.91 and 63,352.29

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Solution

The fourth proportional to 111,755.55, 154,184.91 and 63,352.29 is: 87,404.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,755.55 : 154,184.91 = 63,352.29 : x
  2. Step 2: Convert to fraction form
    111,755.55/154,184.91 = 63,352.29/x
  3. Step 3: Cross multiply
    111,755.55x = 154,184.91 × 63,352.29
  4. Step 4: Simplify right side
    111,755.55x = 9,767,966,617.08
  5. Step 5: Solve for x
    x = 9,767,966,617.08/111,755.55
  6. Step 6: Final answer
    x = 87,404.76

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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.