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Finding the Fourth Proportional to 77,636.71, 116,508.93 and 35,521.98

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Solution

The fourth proportional to 77,636.71, 116,508.93 and 35,521.98 is: 53,307.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,636.71 : 116,508.93 = 35,521.98 : x
  2. Step 2: Convert to fraction form
    77,636.71/116,508.93 = 35,521.98/x
  3. Step 3: Cross multiply
    77,636.71x = 116,508.93 × 35,521.98
  4. Step 4: Simplify right side
    77,636.71x = 4,138,627,881.28
  5. Step 5: Solve for x
    x = 4,138,627,881.28/77,636.71
  6. Step 6: Final answer
    x = 53,307.62

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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.