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Finding the Fourth Proportional to 169,292.84, 253,925.94 and 84,967.16

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Solution

The fourth proportional to 169,292.84, 253,925.94 and 84,967.16 is: 127,444.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,292.84 : 253,925.94 = 84,967.16 : x
  2. Step 2: Convert to fraction form
    169,292.84/253,925.94 = 84,967.16/x
  3. Step 3: Cross multiply
    169,292.84x = 253,925.94 × 84,967.16
  4. Step 4: Simplify right side
    169,292.84x = 21,575,365,972.13
  5. Step 5: Solve for x
    x = 21,575,365,972.13/169,292.84
  6. Step 6: Final answer
    x = 127,444.05

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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.