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Finding the Fourth Proportional to 239,699.42, 359,455.71 and 89,857.97

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Solution

The fourth proportional to 239,699.42, 359,455.71 and 89,857.97 is: 134,751.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,699.42 : 359,455.71 = 89,857.97 : x
  2. Step 2: Convert to fraction form
    239,699.42/359,455.71 = 89,857.97/x
  3. Step 3: Cross multiply
    239,699.42x = 359,455.71 × 89,857.97
  4. Step 4: Simplify right side
    239,699.42x = 32,299,960,293.16
  5. Step 5: Solve for x
    x = 32,299,960,293.16/239,699.42
  6. Step 6: Final answer
    x = 134,751.93

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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.