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Finding the Fourth Proportional to 92,657.60, 127,832.96 and 60,844.16

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Solution

The fourth proportional to 92,657.60, 127,832.96 and 60,844.16 is: 83,942.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,657.60 : 127,832.96 = 60,844.16 : x
  2. Step 2: Convert to fraction form
    92,657.60/127,832.96 = 60,844.16/x
  3. Step 3: Cross multiply
    92,657.60x = 127,832.96 × 60,844.16
  4. Step 4: Simplify right side
    92,657.60x = 7,777,889,071.51
  5. Step 5: Solve for x
    x = 7,777,889,071.51/92,657.60
  6. Step 6: Final answer
    x = 83,942.27

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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.