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Finding the Fourth Proportional to 65,107.36, 97,661.04 and 61,783.12

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Solution

The fourth proportional to 65,107.36, 97,661.04 and 61,783.12 is: 92,674.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,107.36 : 97,661.04 = 61,783.12 : x
  2. Step 2: Convert to fraction form
    65,107.36/97,661.04 = 61,783.12/x
  3. Step 3: Cross multiply
    65,107.36x = 97,661.04 × 61,783.12
  4. Step 4: Simplify right side
    65,107.36x = 6,033,803,753.64
  5. Step 5: Solve for x
    x = 6,033,803,753.64/65,107.36
  6. Step 6: Final answer
    x = 92,674.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.