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Finding the Fourth Proportional to 97,107.16, 145,660.74 and 55,525

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Solution

The fourth proportional to 97,107.16, 145,660.74 and 55,525 is: 83,287.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,107.16 : 145,660.74 = 55,525 : x
  2. Step 2: Convert to fraction form
    97,107.16/145,660.74 = 55,525/x
  3. Step 3: Cross multiply
    97,107.16x = 145,660.74 × 55,525
  4. Step 4: Simplify right side
    97,107.16x = 8,087,812,588.50
  5. Step 5: Solve for x
    x = 8,087,812,588.50/97,107.16
  6. Step 6: Final answer
    x = 83,287.50

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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.