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Finding the Fourth Proportional to 100,959.16, 151,244.64 and 56,450.92

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Solution

The fourth proportional to 100,959.16, 151,244.64 and 56,450.92 is: 84,567.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,959.16 : 151,244.64 = 56,450.92 : x
  2. Step 2: Convert to fraction form
    100,959.16/151,244.64 = 56,450.92/x
  3. Step 3: Cross multiply
    100,959.16x = 151,244.64 × 56,450.92
  4. Step 4: Simplify right side
    100,959.16x = 8,537,899,073.07
  5. Step 5: Solve for x
    x = 8,537,899,073.07/100,959.16
  6. Step 6: Final answer
    x = 84,567.85

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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.