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Finding the Fourth Proportional to 243,168.46, 335,578.14 and 152,528.26

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Solution

The fourth proportional to 243,168.46, 335,578.14 and 152,528.26 is: 210,492.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,168.46 : 335,578.14 = 152,528.26 : x
  2. Step 2: Convert to fraction form
    243,168.46/335,578.14 = 152,528.26/x
  3. Step 3: Cross multiply
    243,168.46x = 335,578.14 × 152,528.26
  4. Step 4: Simplify right side
    243,168.46x = 51,185,149,788.24
  5. Step 5: Solve for x
    x = 51,185,149,788.24/243,168.46
  6. Step 6: Final answer
    x = 210,492.55

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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.