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Finding the Fourth Proportional to 77,307.16, 116,004.48 and 32,929.28

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Solution

The fourth proportional to 77,307.16, 116,004.48 and 32,929.28 is: 49,412.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,307.16 : 116,004.48 = 32,929.28 : x
  2. Step 2: Convert to fraction form
    77,307.16/116,004.48 = 32,929.28/x
  3. Step 3: Cross multiply
    77,307.16x = 116,004.48 × 32,929.28
  4. Step 4: Simplify right side
    77,307.16x = 3,819,944,003.17
  5. Step 5: Solve for x
    x = 3,819,944,003.17/77,307.16
  6. Step 6: Final answer
    x = 49,412.55

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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.