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Finding the Fourth Proportional to 66,094.38, 99,154.28 and 26,655.48

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Solution

The fourth proportional to 66,094.38, 99,154.28 and 26,655.48 is: 39,988.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,094.38 : 99,154.28 = 26,655.48 : x
  2. Step 2: Convert to fraction form
    66,094.38/99,154.28 = 26,655.48/x
  3. Step 3: Cross multiply
    66,094.38x = 99,154.28 × 26,655.48
  4. Step 4: Simplify right side
    66,094.38x = 2,643,004,927.45
  5. Step 5: Solve for x
    x = 2,643,004,927.45/66,094.38
  6. Step 6: Final answer
    x = 39,988.35

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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.