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Finding the Fourth Proportional to 138,334.93, 207,507.53 and 48,360.04

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Solution

The fourth proportional to 138,334.93, 207,507.53 and 48,360.04 is: 72,541.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,334.93 : 207,507.53 = 48,360.04 : x
  2. Step 2: Convert to fraction form
    138,334.93/207,507.53 = 48,360.04/x
  3. Step 3: Cross multiply
    138,334.93x = 207,507.53 × 48,360.04
  4. Step 4: Simplify right side
    138,334.93x = 10,035,072,053.23
  5. Step 5: Solve for x
    x = 10,035,072,053.23/138,334.93
  6. Step 6: Final answer
    x = 72,541.85

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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.