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Finding the Fourth Proportional to 92,087.40, 138,111.12 and 32,927.16

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Solution

The fourth proportional to 92,087.40, 138,111.12 and 32,927.16 is: 49,383.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,087.40 : 138,111.12 = 32,927.16 : x
  2. Step 2: Convert to fraction form
    92,087.40/138,111.12 = 32,927.16/x
  3. Step 3: Cross multiply
    92,087.40x = 138,111.12 × 32,927.16
  4. Step 4: Simplify right side
    92,087.40x = 4,547,606,946.02
  5. Step 5: Solve for x
    x = 4,547,606,946.02/92,087.40
  6. Step 6: Final answer
    x = 49,383.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.