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Finding the Fourth Proportional to 79,028.84, 118,411.64 and 55,606.08

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Solution

The fourth proportional to 79,028.84, 118,411.64 and 55,606.08 is: 83,316.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,028.84 : 118,411.64 = 55,606.08 : x
  2. Step 2: Convert to fraction form
    79,028.84/118,411.64 = 55,606.08/x
  3. Step 3: Cross multiply
    79,028.84x = 118,411.64 × 55,606.08
  4. Step 4: Simplify right side
    79,028.84x = 6,584,407,126.77
  5. Step 5: Solve for x
    x = 6,584,407,126.77/79,028.84
  6. Step 6: Final answer
    x = 83,316.51

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1.5x scale

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.