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Finding the Fourth Proportional to 186,492.78, 257,356.44 and 101,608.02

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Solution

The fourth proportional to 186,492.78, 257,356.44 and 101,608.02 is: 140,217.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,492.78 : 257,356.44 = 101,608.02 : x
  2. Step 2: Convert to fraction form
    186,492.78/257,356.44 = 101,608.02/x
  3. Step 3: Cross multiply
    186,492.78x = 257,356.44 × 101,608.02
  4. Step 4: Simplify right side
    186,492.78x = 26,149,478,302.65
  5. Step 5: Solve for x
    x = 26,149,478,302.65/186,492.78
  6. Step 6: Final answer
    x = 140,217.11

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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.