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Finding the Fourth Proportional to 104,751.92, 144,560.66 and 57,008.28

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Solution

The fourth proportional to 104,751.92, 144,560.66 and 57,008.28 is: 78,673.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,751.92 : 144,560.66 = 57,008.28 : x
  2. Step 2: Convert to fraction form
    104,751.92/144,560.66 = 57,008.28/x
  3. Step 3: Cross multiply
    104,751.92x = 144,560.66 × 57,008.28
  4. Step 4: Simplify right side
    104,751.92x = 8,241,154,582.26
  5. Step 5: Solve for x
    x = 8,241,154,582.26/104,751.92
  6. Step 6: Final answer
    x = 78,673.06

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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.