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Finding the Fourth Proportional to 107,388.48, 148,199.48 and 64,353.78

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Solution

The fourth proportional to 107,388.48, 148,199.48 and 64,353.78 is: 88,810.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,388.48 : 148,199.48 = 64,353.78 : x
  2. Step 2: Convert to fraction form
    107,388.48/148,199.48 = 64,353.78/x
  3. Step 3: Cross multiply
    107,388.48x = 148,199.48 × 64,353.78
  4. Step 4: Simplify right side
    107,388.48x = 9,537,196,732.03
  5. Step 5: Solve for x
    x = 9,537,196,732.03/107,388.48
  6. Step 6: Final answer
    x = 88,810.24

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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.