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Finding the Fourth Proportional to 186,213.52, 256,972.44 and 101,329.12

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Solution

The fourth proportional to 186,213.52, 256,972.44 and 101,329.12 is: 139,832.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,213.52 : 256,972.44 = 101,329.12 : x
  2. Step 2: Convert to fraction form
    186,213.52/256,972.44 = 101,329.12/x
  3. Step 3: Cross multiply
    186,213.52x = 256,972.44 × 101,329.12
  4. Step 4: Simplify right side
    186,213.52x = 26,038,791,209.45
  5. Step 5: Solve for x
    x = 26,038,791,209.45/186,213.52
  6. Step 6: Final answer
    x = 139,832.98

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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.