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Finding the Fourth Proportional to 107,278.64, 147,941.65 and 64,251.24

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Solution

The fourth proportional to 107,278.64, 147,941.65 and 64,251.24 is: 88,605.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,278.64 : 147,941.65 = 64,251.24 : x
  2. Step 2: Convert to fraction form
    107,278.64/147,941.65 = 64,251.24/x
  3. Step 3: Cross multiply
    107,278.64x = 147,941.65 × 64,251.24
  4. Step 4: Simplify right side
    107,278.64x = 9,505,434,637.14
  5. Step 5: Solve for x
    x = 9,505,434,637.14/107,278.64
  6. Step 6: Final answer
    x = 88,605.10

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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.