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Finding the Fourth Proportional to 101,225.10, 151,837.65 and 31,104.30

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Solution

The fourth proportional to 101,225.10, 151,837.65 and 31,104.30 is: 46,656.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,225.10 : 151,837.65 = 31,104.30 : x
  2. Step 2: Convert to fraction form
    101,225.10/151,837.65 = 31,104.30/x
  3. Step 3: Cross multiply
    101,225.10x = 151,837.65 × 31,104.30
  4. Step 4: Simplify right side
    101,225.10x = 4,722,803,816.90
  5. Step 5: Solve for x
    x = 4,722,803,816.90/101,225.10
  6. Step 6: Final answer
    x = 46,656.45

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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.