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Finding the Fourth Proportional to 110,762.88, 152,852.84 and 68,346.01

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Solution

The fourth proportional to 110,762.88, 152,852.84 and 68,346.01 is: 94,317.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,762.88 : 152,852.84 = 68,346.01 : x
  2. Step 2: Convert to fraction form
    110,762.88/152,852.84 = 68,346.01/x
  3. Step 3: Cross multiply
    110,762.88x = 152,852.84 × 68,346.01
  4. Step 4: Simplify right side
    110,762.88x = 10,446,881,731.17
  5. Step 5: Solve for x
    x = 10,446,881,731.17/110,762.88
  6. Step 6: Final answer
    x = 94,317.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.