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Finding the Fourth Proportional to 92,492.52, 127,632.40 and 52,216.08

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Solution

The fourth proportional to 92,492.52, 127,632.40 and 52,216.08 is: 72,054.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,492.52 : 127,632.40 = 52,216.08 : x
  2. Step 2: Convert to fraction form
    92,492.52/127,632.40 = 52,216.08/x
  3. Step 3: Cross multiply
    92,492.52x = 127,632.40 × 52,216.08
  4. Step 4: Simplify right side
    92,492.52x = 6,664,463,608.99
  5. Step 5: Solve for x
    x = 6,664,463,608.99/92,492.52
  6. Step 6: Final answer
    x = 72,054.08

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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.