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Finding the Fourth Proportional to 186,090.97, 279,094.53 and 52,968.28

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Solution

The fourth proportional to 186,090.97, 279,094.53 and 52,968.28 is: 79,440.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,090.97 : 279,094.53 = 52,968.28 : x
  2. Step 2: Convert to fraction form
    186,090.97/279,094.53 = 52,968.28/x
  3. Step 3: Cross multiply
    186,090.97x = 279,094.53 × 52,968.28
  4. Step 4: Simplify right side
    186,090.97x = 14,783,157,211.51
  5. Step 5: Solve for x
    x = 14,783,157,211.51/186,090.97
  6. Step 6: Final answer
    x = 79,440.49

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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.