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Finding the Fourth Proportional to 186,194.55, 256,949.58 and 101,312.22

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Solution

The fourth proportional to 186,194.55, 256,949.58 and 101,312.22 is: 139,811.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,194.55 : 256,949.58 = 101,312.22 : x
  2. Step 2: Convert to fraction form
    186,194.55/256,949.58 = 101,312.22/x
  3. Step 3: Cross multiply
    186,194.55x = 256,949.58 × 101,312.22
  4. Step 4: Simplify right side
    186,194.55x = 26,032,132,377.87
  5. Step 5: Solve for x
    x = 26,032,132,377.87/186,194.55
  6. Step 6: Final answer
    x = 139,811.46

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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.