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Finding the Fourth Proportional to 237,790.14, 328,141.59 and 128,892.14

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Solution

The fourth proportional to 237,790.14, 328,141.59 and 128,892.14 is: 177,866.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,790.14 : 328,141.59 = 128,892.14 : x
  2. Step 2: Convert to fraction form
    237,790.14/328,141.59 = 128,892.14/x
  3. Step 3: Cross multiply
    237,790.14x = 328,141.59 × 128,892.14
  4. Step 4: Simplify right side
    237,790.14x = 42,294,871,758.10
  5. Step 5: Solve for x
    x = 42,294,871,758.10/237,790.14
  6. Step 6: Final answer
    x = 177,866.38

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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.