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Finding the Fourth Proportional to 101,244.25, 139,717.07 and 56,532.25

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Solution

The fourth proportional to 101,244.25, 139,717.07 and 56,532.25 is: 78,014.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,244.25 : 139,717.07 = 56,532.25 : x
  2. Step 2: Convert to fraction form
    101,244.25/139,717.07 = 56,532.25/x
  3. Step 3: Cross multiply
    101,244.25x = 139,717.07 × 56,532.25
  4. Step 4: Simplify right side
    101,244.25x = 7,898,520,330.51
  5. Step 5: Solve for x
    x = 7,898,520,330.51/101,244.25
  6. Step 6: Final answer
    x = 78,014.51

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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.