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Finding the Fourth Proportional to 169,477.48, 254,217.72 and 43,117.87

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Solution

The fourth proportional to 169,477.48, 254,217.72 and 43,117.87 is: 64,677.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,477.48 : 254,217.72 = 43,117.87 : x
  2. Step 2: Convert to fraction form
    169,477.48/254,217.72 = 43,117.87/x
  3. Step 3: Cross multiply
    169,477.48x = 254,217.72 × 43,117.87
  4. Step 4: Simplify right side
    169,477.48x = 10,961,326,602.66
  5. Step 5: Solve for x
    x = 10,961,326,602.66/169,477.48
  6. Step 6: Final answer
    x = 64,677.19

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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.