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Finding the Fourth Proportional to 84,840.03, 116,971.16 and 52,997.31

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Solution

The fourth proportional to 84,840.03, 116,971.16 and 52,997.31 is: 73,068.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,840.03 : 116,971.16 = 52,997.31 : x
  2. Step 2: Convert to fraction form
    84,840.03/116,971.16 = 52,997.31/x
  3. Step 3: Cross multiply
    84,840.03x = 116,971.16 × 52,997.31
  4. Step 4: Simplify right side
    84,840.03x = 6,199,156,562.59
  5. Step 5: Solve for x
    x = 6,199,156,562.59/84,840.03
  6. Step 6: Final answer
    x = 73,068.77

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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.