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Finding the Fourth Proportional to 107,104.44, 147,802.02 and 64,664.76

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Solution

The fourth proportional to 107,104.44, 147,802.02 and 64,664.76 is: 89,236.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,104.44 : 147,802.02 = 64,664.76 : x
  2. Step 2: Convert to fraction form
    107,104.44/147,802.02 = 64,664.76/x
  3. Step 3: Cross multiply
    107,104.44x = 147,802.02 × 64,664.76
  4. Step 4: Simplify right side
    107,104.44x = 9,557,582,150.82
  5. Step 5: Solve for x
    x = 9,557,582,150.82/107,104.44
  6. Step 6: Final answer
    x = 89,236.10

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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.