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Finding the Fourth Proportional to 73,783.20, 101,823.12 and 40,252.32

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Solution

The fourth proportional to 73,783.20, 101,823.12 and 40,252.32 is: 55,549.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,783.20 : 101,823.12 = 40,252.32 : x
  2. Step 2: Convert to fraction form
    73,783.20/101,823.12 = 40,252.32/x
  3. Step 3: Cross multiply
    73,783.20x = 101,823.12 × 40,252.32
  4. Step 4: Simplify right side
    73,783.20x = 4,098,616,809.64
  5. Step 5: Solve for x
    x = 4,098,616,809.64/73,783.20
  6. Step 6: Final answer
    x = 55,549.46

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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.