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Finding the Fourth Proportional to 169,881.18, 254,815.27 and 51,547.74

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Solution

The fourth proportional to 169,881.18, 254,815.27 and 51,547.74 is: 77,319.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,881.18 : 254,815.27 = 51,547.74 : x
  2. Step 2: Convert to fraction form
    169,881.18/254,815.27 = 51,547.74/x
  3. Step 3: Cross multiply
    169,881.18x = 254,815.27 × 51,547.74
  4. Step 4: Simplify right side
    169,881.18x = 13,135,151,285.99
  5. Step 5: Solve for x
    x = 13,135,151,285.99/169,881.18
  6. Step 6: Final answer
    x = 77,319.64

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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.