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Finding the Fourth Proportional to 99,254.68, 148,798.28 and 43,052.47

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Solution

The fourth proportional to 99,254.68, 148,798.28 and 43,052.47 is: 64,542.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,254.68 : 148,798.28 = 43,052.47 : x
  2. Step 2: Convert to fraction form
    99,254.68/148,798.28 = 43,052.47/x
  3. Step 3: Cross multiply
    99,254.68x = 148,798.28 × 43,052.47
  4. Step 4: Simplify right side
    99,254.68x = 6,406,133,485.75
  5. Step 5: Solve for x
    x = 6,406,133,485.75/99,254.68
  6. Step 6: Final answer
    x = 64,542.38

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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.