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Finding the Fourth Proportional to 186,124.95, 256,851 and 101,242.08

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Solution

The fourth proportional to 186,124.95, 256,851 and 101,242.08 is: 139,713.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,124.95 : 256,851 = 101,242.08 : x
  2. Step 2: Convert to fraction form
    186,124.95/256,851 = 101,242.08/x
  3. Step 3: Cross multiply
    186,124.95x = 256,851 × 101,242.08
  4. Step 4: Simplify right side
    186,124.95x = 26,004,129,490.08
  5. Step 5: Solve for x
    x = 26,004,129,490.08/186,124.95
  6. Step 6: Final answer
    x = 139,713.29

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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.