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Finding the Fourth Proportional to 186,645.45, 279,968.18 and 93,333.45

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Solution

The fourth proportional to 186,645.45, 279,968.18 and 93,333.45 is: 140,000.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,645.45 : 279,968.18 = 93,333.45 : x
  2. Step 2: Convert to fraction form
    186,645.45/279,968.18 = 93,333.45/x
  3. Step 3: Cross multiply
    186,645.45x = 279,968.18 × 93,333.45
  4. Step 4: Simplify right side
    186,645.45x = 26,130,395,662.95
  5. Step 5: Solve for x
    x = 26,130,395,662.95/186,645.45
  6. Step 6: Final answer
    x = 140,000.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.