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Finding the Fourth Proportional to 83,173.32, 114,779.48 and 45,447.57

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Solution

The fourth proportional to 83,173.32, 114,779.48 and 45,447.57 is: 62,717.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,173.32 : 114,779.48 = 45,447.57 : x
  2. Step 2: Convert to fraction form
    83,173.32/114,779.48 = 45,447.57/x
  3. Step 3: Cross multiply
    83,173.32x = 114,779.48 × 45,447.57
  4. Step 4: Simplify right side
    83,173.32x = 5,216,448,224.63
  5. Step 5: Solve for x
    x = 5,216,448,224.63/83,173.32
  6. Step 6: Final answer
    x = 62,717.81

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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.