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Finding the Fourth Proportional to 83,887.89, 115,765.08 and 46,162.14

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Solution

The fourth proportional to 83,887.89, 115,765.08 and 46,162.14 is: 63,703.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,887.89 : 115,765.08 = 46,162.14 : x
  2. Step 2: Convert to fraction form
    83,887.89/115,765.08 = 46,162.14/x
  3. Step 3: Cross multiply
    83,887.89x = 115,765.08 × 46,162.14
  4. Step 4: Simplify right side
    83,887.89x = 5,343,963,830.07
  5. Step 5: Solve for x
    x = 5,343,963,830.07/83,887.89
  6. Step 6: Final answer
    x = 63,703.64

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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.