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Finding the Fourth Proportional to 107,090.02, 147,788.04 and 64,640.26

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Solution

The fourth proportional to 107,090.02, 147,788.04 and 64,640.26 is: 89,205.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,090.02 : 147,788.04 = 64,640.26 : x
  2. Step 2: Convert to fraction form
    107,090.02/147,788.04 = 64,640.26/x
  3. Step 3: Cross multiply
    107,090.02x = 147,788.04 × 64,640.26
  4. Step 4: Simplify right side
    107,090.02x = 9,553,057,330.49
  5. Step 5: Solve for x
    x = 9,553,057,330.49/107,090.02
  6. Step 6: Final answer
    x = 89,205.86

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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.