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Finding the Fourth Proportional to 169,473.60, 254,212.32 and 51,146.08

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Solution

The fourth proportional to 169,473.60, 254,212.32 and 51,146.08 is: 76,719.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,473.60 : 254,212.32 = 51,146.08 : x
  2. Step 2: Convert to fraction form
    169,473.60/254,212.32 = 51,146.08/x
  3. Step 3: Cross multiply
    169,473.60x = 254,212.32 × 51,146.08
  4. Step 4: Simplify right side
    169,473.60x = 13,001,963,655.71
  5. Step 5: Solve for x
    x = 13,001,963,655.71/169,473.60
  6. Step 6: Final answer
    x = 76,719.70

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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.