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Finding the Fourth Proportional to 79,568.84, 109,802.80 and 43,758.84

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Solution

The fourth proportional to 79,568.84, 109,802.80 and 43,758.84 is: 60,386.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,568.84 : 109,802.80 = 43,758.84 : x
  2. Step 2: Convert to fraction form
    79,568.84/109,802.80 = 43,758.84/x
  3. Step 3: Cross multiply
    79,568.84x = 109,802.80 × 43,758.84
  4. Step 4: Simplify right side
    79,568.84x = 4,804,843,705.26
  5. Step 5: Solve for x
    x = 4,804,843,705.26/79,568.84
  6. Step 6: Final answer
    x = 60,386.00

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1.5x scale

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.