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Finding the Fourth Proportional to 365,091.50, 547,689.16 and 112,393.08

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Solution

The fourth proportional to 365,091.50, 547,689.16 and 112,393.08 is: 168,605.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,091.50 : 547,689.16 = 112,393.08 : x
  2. Step 2: Convert to fraction form
    365,091.50/547,689.16 = 112,393.08/x
  3. Step 3: Cross multiply
    365,091.50x = 547,689.16 × 112,393.08
  4. Step 4: Simplify right side
    365,091.50x = 61,556,471,575.01
  5. Step 5: Solve for x
    x = 61,556,471,575.01/365,091.50
  6. Step 6: Final answer
    x = 168,605.60

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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.