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Finding the Fourth Proportional to 243,520.60, 335,840.83 and 152,885.02

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Solution

The fourth proportional to 243,520.60, 335,840.83 and 152,885.02 is: 210,844.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,520.60 : 335,840.83 = 152,885.02 : x
  2. Step 2: Convert to fraction form
    243,520.60/335,840.83 = 152,885.02/x
  3. Step 3: Cross multiply
    243,520.60x = 335,840.83 × 152,885.02
  4. Step 4: Simplify right side
    243,520.60x = 51,345,032,011.37
  5. Step 5: Solve for x
    x = 51,345,032,011.37/243,520.60
  6. Step 6: Final answer
    x = 210,844.72

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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.