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Finding the Fourth Proportional to 111,775.77, 154,237.62 and 64,026.27

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Solution

The fourth proportional to 111,775.77, 154,237.62 and 64,026.27 is: 88,348.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,775.77 : 154,237.62 = 64,026.27 : x
  2. Step 2: Convert to fraction form
    111,775.77/154,237.62 = 64,026.27/x
  3. Step 3: Cross multiply
    111,775.77x = 154,237.62 × 64,026.27
  4. Step 4: Simplify right side
    111,775.77x = 9,875,259,502.28
  5. Step 5: Solve for x
    x = 9,875,259,502.28/111,775.77
  6. Step 6: Final answer
    x = 88,348.84

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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.