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Finding the Fourth Proportional to 186,193.60, 256,298.28 and 162,278.76

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Solution

The fourth proportional to 186,193.60, 256,298.28 and 162,278.76 is: 223,379.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,193.60 : 256,298.28 = 162,278.76 : x
  2. Step 2: Convert to fraction form
    186,193.60/256,298.28 = 162,278.76/x
  3. Step 3: Cross multiply
    186,193.60x = 256,298.28 × 162,278.76
  4. Step 4: Simplify right side
    186,193.60x = 41,591,767,068.53
  5. Step 5: Solve for x
    x = 41,591,767,068.53/186,193.60
  6. Step 6: Final answer
    x = 223,379.14

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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.