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Finding the Fourth Proportional to 94,654.68, 130,623.57 and 52,213.20

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Solution

The fourth proportional to 94,654.68, 130,623.57 and 52,213.20 is: 72,054.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,654.68 : 130,623.57 = 52,213.20 : x
  2. Step 2: Convert to fraction form
    94,654.68/130,623.57 = 52,213.20/x
  3. Step 3: Cross multiply
    94,654.68x = 130,623.57 × 52,213.20
  4. Step 4: Simplify right side
    94,654.68x = 6,820,274,585.12
  5. Step 5: Solve for x
    x = 6,820,274,585.12/94,654.68
  6. Step 6: Final answer
    x = 72,054.28

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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.