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Finding the Fourth Proportional to 243,194.64, 335,614.28 and 152,554.43

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Solution

The fourth proportional to 243,194.64, 335,614.28 and 152,554.43 is: 210,528.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,194.64 : 335,614.28 = 152,554.43 : x
  2. Step 2: Convert to fraction form
    243,194.64/335,614.28 = 152,554.43/x
  3. Step 3: Cross multiply
    243,194.64x = 335,614.28 × 152,554.43
  4. Step 4: Simplify right side
    243,194.64x = 51,199,442,744.42
  5. Step 5: Solve for x
    x = 51,199,442,744.42/243,194.64
  6. Step 6: Final answer
    x = 210,528.66

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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.