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Finding the Fourth Proportional to 138,150.32, 207,225.47 and 44,656.07

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Solution

The fourth proportional to 138,150.32, 207,225.47 and 44,656.07 is: 66,984.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,150.32 : 207,225.47 = 44,656.07 : x
  2. Step 2: Convert to fraction form
    138,150.32/207,225.47 = 44,656.07/x
  3. Step 3: Cross multiply
    138,150.32x = 207,225.47 × 44,656.07
  4. Step 4: Simplify right side
    138,150.32x = 9,253,875,094.10
  5. Step 5: Solve for x
    x = 9,253,875,094.10/138,150.32
  6. Step 6: Final answer
    x = 66,984.10

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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.