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Finding the Fourth Proportional to 84,155.68, 116,126.76 and 46,427.50

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Solution

The fourth proportional to 84,155.68, 116,126.76 and 46,427.50 is: 64,065.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,155.68 : 116,126.76 = 46,427.50 : x
  2. Step 2: Convert to fraction form
    84,155.68/116,126.76 = 46,427.50/x
  3. Step 3: Cross multiply
    84,155.68x = 116,126.76 × 46,427.50
  4. Step 4: Simplify right side
    84,155.68x = 5,391,475,149.90
  5. Step 5: Solve for x
    x = 5,391,475,149.90/84,155.68
  6. Step 6: Final answer
    x = 64,065.49

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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.