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Finding the Fourth Proportional to 84,360.18, 116,412.48 and 46,632

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Solution

The fourth proportional to 84,360.18, 116,412.48 and 46,632 is: 64,349.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,360.18 : 116,412.48 = 46,632 : x
  2. Step 2: Convert to fraction form
    84,360.18/116,412.48 = 46,632/x
  3. Step 3: Cross multiply
    84,360.18x = 116,412.48 × 46,632
  4. Step 4: Simplify right side
    84,360.18x = 5,428,546,767.36
  5. Step 5: Solve for x
    x = 5,428,546,767.36/84,360.18
  6. Step 6: Final answer
    x = 64,349.63

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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.