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Finding the Fourth Proportional to 107,078.40, 147,769.44 and 59,332.32

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Solution

The fourth proportional to 107,078.40, 147,769.44 and 59,332.32 is: 81,879.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,078.40 : 147,769.44 = 59,332.32 : x
  2. Step 2: Convert to fraction form
    107,078.40/147,769.44 = 59,332.32/x
  3. Step 3: Cross multiply
    107,078.40x = 147,769.44 × 59,332.32
  4. Step 4: Simplify right side
    107,078.40x = 8,767,503,700.30
  5. Step 5: Solve for x
    x = 8,767,503,700.30/107,078.40
  6. Step 6: Final answer
    x = 81,879.29

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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.