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Finding the Fourth Proportional to 99,254.92, 148,798.66 and 43,052.72

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Solution

The fourth proportional to 99,254.92, 148,798.66 and 43,052.72 is: 64,542.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,254.92 : 148,798.66 = 43,052.72 : x
  2. Step 2: Convert to fraction form
    99,254.92/148,798.66 = 43,052.72/x
  3. Step 3: Cross multiply
    99,254.92x = 148,798.66 × 43,052.72
  4. Step 4: Simplify right side
    99,254.92x = 6,406,186,830.09
  5. Step 5: Solve for x
    x = 6,406,186,830.09/99,254.92
  6. Step 6: Final answer
    x = 64,542.76

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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.