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Finding the Fourth Proportional to 106,936.03, 147,608.58 and 61,632.10

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Solution

The fourth proportional to 106,936.03, 147,608.58 and 61,632.10 is: 85,073.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,936.03 : 147,608.58 = 61,632.10 : x
  2. Step 2: Convert to fraction form
    106,936.03/147,608.58 = 61,632.10/x
  3. Step 3: Cross multiply
    106,936.03x = 147,608.58 × 61,632.10
  4. Step 4: Simplify right side
    106,936.03x = 9,097,426,763.42
  5. Step 5: Solve for x
    x = 9,097,426,763.42/106,936.03
  6. Step 6: Final answer
    x = 85,073.54

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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.