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Finding the Fourth Proportional to 243,350.04, 335,801.16 and 135,905.16

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Solution

The fourth proportional to 243,350.04, 335,801.16 and 135,905.16 is: 187,536.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,350.04 : 335,801.16 = 135,905.16 : x
  2. Step 2: Convert to fraction form
    243,350.04/335,801.16 = 135,905.16/x
  3. Step 3: Cross multiply
    243,350.04x = 335,801.16 × 135,905.16
  4. Step 4: Simplify right side
    243,350.04x = 45,637,110,377.99
  5. Step 5: Solve for x
    x = 45,637,110,377.99/243,350.04
  6. Step 6: Final answer
    x = 187,536.89

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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.