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Finding the Fourth Proportional to 85,034.16, 117,348.21 and 46,798.11

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Solution

The fourth proportional to 85,034.16, 117,348.21 and 46,798.11 is: 64,581.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,034.16 : 117,348.21 = 46,798.11 : x
  2. Step 2: Convert to fraction form
    85,034.16/117,348.21 = 46,798.11/x
  3. Step 3: Cross multiply
    85,034.16x = 117,348.21 × 46,798.11
  4. Step 4: Simplify right side
    85,034.16x = 5,491,674,439.88
  5. Step 5: Solve for x
    x = 5,491,674,439.88/85,034.16
  6. Step 6: Final answer
    x = 64,581.98

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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.