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Finding the Fourth Proportional to 84,060, 116,002.80 and 46,335.06

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Solution

The fourth proportional to 84,060, 116,002.80 and 46,335.06 is: 63,942.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,060 : 116,002.80 = 46,335.06 : x
  2. Step 2: Convert to fraction form
    84,060/116,002.80 = 46,335.06/x
  3. Step 3: Cross multiply
    84,060x = 116,002.80 × 46,335.06
  4. Step 4: Simplify right side
    84,060x = 5,374,996,698.17
  5. Step 5: Solve for x
    x = 5,374,996,698.17/84,060
  6. Step 6: Final answer
    x = 63,942.38

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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.