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Finding the Fourth Proportional to 242,597.56, 334,786.90 and 133,705.78

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Solution

The fourth proportional to 242,597.56, 334,786.90 and 133,705.78 is: 184,515.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,597.56 : 334,786.90 = 133,705.78 : x
  2. Step 2: Convert to fraction form
    242,597.56/334,786.90 = 133,705.78/x
  3. Step 3: Cross multiply
    242,597.56x = 334,786.90 × 133,705.78
  4. Step 4: Simplify right side
    242,597.56x = 44,762,943,598.28
  5. Step 5: Solve for x
    x = 44,762,943,598.28/242,597.56
  6. Step 6: Final answer
    x = 184,515.23

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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.