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Finding the Fourth Proportional to 186,127.48, 256,857.92 and 101,244.75

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Solution

The fourth proportional to 186,127.48, 256,857.92 and 101,244.75 is: 139,718.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,127.48 : 256,857.92 = 101,244.75 : x
  2. Step 2: Convert to fraction form
    186,127.48/256,857.92 = 101,244.75/x
  3. Step 3: Cross multiply
    186,127.48x = 256,857.92 × 101,244.75
  4. Step 4: Simplify right side
    186,127.48x = 26,005,515,895.92
  5. Step 5: Solve for x
    x = 26,005,515,895.92/186,127.48
  6. Step 6: Final answer
    x = 139,718.84

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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.