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Finding the Fourth Proportional to 247,113.66, 341,013.87 and 133,935.06

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Solution

The fourth proportional to 247,113.66, 341,013.87 and 133,935.06 is: 184,828.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,113.66 : 341,013.87 = 133,935.06 : x
  2. Step 2: Convert to fraction form
    247,113.66/341,013.87 = 133,935.06/x
  3. Step 3: Cross multiply
    247,113.66x = 341,013.87 × 133,935.06
  4. Step 4: Simplify right side
    247,113.66x = 45,673,713,139.28
  5. Step 5: Solve for x
    x = 45,673,713,139.28/247,113.66
  6. Step 6: Final answer
    x = 184,828.77

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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.