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Finding the Fourth Proportional to 169,965, 254,952.90 and 51,637.37

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Solution

The fourth proportional to 169,965, 254,952.90 and 51,637.37 is: 77,457.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,965 : 254,952.90 = 51,637.37 : x
  2. Step 2: Convert to fraction form
    169,965/254,952.90 = 51,637.37/x
  3. Step 3: Cross multiply
    169,965x = 254,952.90 × 51,637.37
  4. Step 4: Simplify right side
    169,965x = 13,165,095,955.11
  5. Step 5: Solve for x
    x = 13,165,095,955.11/169,965
  6. Step 6: Final answer
    x = 77,457.69

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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.