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Finding the Fourth Proportional to 243,523.35, 335,844.63 and 152,887.76

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Solution

The fourth proportional to 243,523.35, 335,844.63 and 152,887.76 is: 210,848.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,523.35 : 335,844.63 = 152,887.76 : x
  2. Step 2: Convert to fraction form
    243,523.35/335,844.63 = 152,887.76/x
  3. Step 3: Cross multiply
    243,523.35x = 335,844.63 × 152,887.76
  4. Step 4: Simplify right side
    243,523.35x = 51,346,534,028.34
  5. Step 5: Solve for x
    x = 51,346,534,028.34/243,523.35
  6. Step 6: Final answer
    x = 210,848.50

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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.