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Finding the Fourth Proportional to 134,424.97, 185,496.24 and 77,063.74

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Solution

The fourth proportional to 134,424.97, 185,496.24 and 77,063.74 is: 106,342.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,424.97 : 185,496.24 = 77,063.74 : x
  2. Step 2: Convert to fraction form
    134,424.97/185,496.24 = 77,063.74/x
  3. Step 3: Cross multiply
    134,424.97x = 185,496.24 × 77,063.74
  4. Step 4: Simplify right side
    134,424.97x = 14,295,033,835.59
  5. Step 5: Solve for x
    x = 14,295,033,835.59/134,424.97
  6. Step 6: Final answer
    x = 106,342.10

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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.