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Finding the Fourth Proportional to 85,157.68, 117,526.85 and 46,921.17

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Solution

The fourth proportional to 85,157.68, 117,526.85 and 46,921.17 is: 64,756.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,157.68 : 117,526.85 = 46,921.17 : x
  2. Step 2: Convert to fraction form
    85,157.68/117,526.85 = 46,921.17/x
  3. Step 3: Cross multiply
    85,157.68x = 117,526.85 × 46,921.17
  4. Step 4: Simplify right side
    85,157.68x = 5,514,497,308.41
  5. Step 5: Solve for x
    x = 5,514,497,308.41/85,157.68
  6. Step 6: Final answer
    x = 64,756.31

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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.