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Finding the Fourth Proportional to 186,165.92, 256,907.80 and 101,283.36

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Solution

The fourth proportional to 186,165.92, 256,907.80 and 101,283.36 is: 139,770.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,165.92 : 256,907.80 = 101,283.36 : x
  2. Step 2: Convert to fraction form
    186,165.92/256,907.80 = 101,283.36/x
  3. Step 3: Cross multiply
    186,165.92x = 256,907.80 × 101,283.36
  4. Step 4: Simplify right side
    186,165.92x = 26,020,485,194.21
  5. Step 5: Solve for x
    x = 26,020,485,194.21/186,165.92
  6. Step 6: Final answer
    x = 139,770.40

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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.