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Finding the Fourth Proportional to 74,668.30, 112,002.24 and 61,492.84

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Solution

The fourth proportional to 74,668.30, 112,002.24 and 61,492.84 is: 92,239.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,668.30 : 112,002.24 = 61,492.84 : x
  2. Step 2: Convert to fraction form
    74,668.30/112,002.24 = 61,492.84/x
  3. Step 3: Cross multiply
    74,668.30x = 112,002.24 × 61,492.84
  4. Step 4: Simplify right side
    74,668.30x = 6,887,335,823.96
  5. Step 5: Solve for x
    x = 6,887,335,823.96/74,668.30
  6. Step 6: Final answer
    x = 92,239.09

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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.