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Finding the Fourth Proportional to 247,240.56, 341,200.17 and 139,828.08

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Solution

The fourth proportional to 247,240.56, 341,200.17 and 139,828.08 is: 192,967.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,240.56 : 341,200.17 = 139,828.08 : x
  2. Step 2: Convert to fraction form
    247,240.56/341,200.17 = 139,828.08/x
  3. Step 3: Cross multiply
    247,240.56x = 341,200.17 × 139,828.08
  4. Step 4: Simplify right side
    247,240.56x = 47,709,364,666.77
  5. Step 5: Solve for x
    x = 47,709,364,666.77/247,240.56
  6. Step 6: Final answer
    x = 192,967.39

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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.