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Finding the Fourth Proportional to 169,459.29, 254,210.13 and 51,130.44

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Solution

The fourth proportional to 169,459.29, 254,210.13 and 51,130.44 is: 76,702.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,459.29 : 254,210.13 = 51,130.44 : x
  2. Step 2: Convert to fraction form
    169,459.29/254,210.13 = 51,130.44/x
  3. Step 3: Cross multiply
    169,459.29x = 254,210.13 × 51,130.44
  4. Step 4: Simplify right side
    169,459.29x = 12,997,875,799.36
  5. Step 5: Solve for x
    x = 12,997,875,799.36/169,459.29
  6. Step 6: Final answer
    x = 76,702.06

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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.