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Finding the Fourth Proportional to 243,107.60, 364,472.57 and 157,537.69

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Solution

The fourth proportional to 243,107.60, 364,472.57 and 157,537.69 is: 236,184.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,107.60 : 364,472.57 = 157,537.69 : x
  2. Step 2: Convert to fraction form
    243,107.60/364,472.57 = 157,537.69/x
  3. Step 3: Cross multiply
    243,107.60x = 364,472.57 × 157,537.69
  4. Step 4: Simplify right side
    243,107.60x = 57,418,166,228.83
  5. Step 5: Solve for x
    x = 57,418,166,228.83/243,107.60
  6. Step 6: Final answer
    x = 236,184.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.