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Finding the Fourth Proportional to 84,358, 116,403.96 and 46,627.12

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Solution

The fourth proportional to 84,358, 116,403.96 and 46,627.12 is: 64,339.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,358 : 116,403.96 = 46,627.12 : x
  2. Step 2: Convert to fraction form
    84,358/116,403.96 = 46,627.12/x
  3. Step 3: Cross multiply
    84,358x = 116,403.96 × 46,627.12
  4. Step 4: Simplify right side
    84,358x = 5,427,581,411.40
  5. Step 5: Solve for x
    x = 5,427,581,411.40/84,358
  6. Step 6: Final answer
    x = 64,339.85

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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.