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Finding the Fourth Proportional to 99,130.93, 148,844.01 and 40,081.93

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Solution

The fourth proportional to 99,130.93, 148,844.01 and 40,081.93 is: 60,182.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,130.93 : 148,844.01 = 40,081.93 : x
  2. Step 2: Convert to fraction form
    99,130.93/148,844.01 = 40,081.93/x
  3. Step 3: Cross multiply
    99,130.93x = 148,844.01 × 40,081.93
  4. Step 4: Simplify right side
    99,130.93x = 5,965,955,189.74
  5. Step 5: Solve for x
    x = 5,965,955,189.74/99,130.93
  6. Step 6: Final answer
    x = 60,182.58

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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.