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Finding the Fourth Proportional to 175,699.01, 263,656.95 and 69,064.31

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Solution

The fourth proportional to 175,699.01, 263,656.95 and 69,064.31 is: 103,639.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,699.01 : 263,656.95 = 69,064.31 : x
  2. Step 2: Convert to fraction form
    175,699.01/263,656.95 = 69,064.31/x
  3. Step 3: Cross multiply
    175,699.01x = 263,656.95 × 69,064.31
  4. Step 4: Simplify right side
    175,699.01x = 18,209,284,010.17
  5. Step 5: Solve for x
    x = 18,209,284,010.17/175,699.01
  6. Step 6: Final answer
    x = 103,639.08

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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.