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Finding the Fourth Proportional to 101,424.35, 139,954.84 and 56,095.13

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Solution

The fourth proportional to 101,424.35, 139,954.84 and 56,095.13 is: 77,405.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,424.35 : 139,954.84 = 56,095.13 : x
  2. Step 2: Convert to fraction form
    101,424.35/139,954.84 = 56,095.13/x
  3. Step 3: Cross multiply
    101,424.35x = 139,954.84 × 56,095.13
  4. Step 4: Simplify right side
    101,424.35x = 7,850,785,153.58
  5. Step 5: Solve for x
    x = 7,850,785,153.58/101,424.35
  6. Step 6: Final answer
    x = 77,405.33

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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.