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Finding the Fourth Proportional to 93,956.64, 129,627.84 and 55,708.32

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Solution

The fourth proportional to 93,956.64, 129,627.84 and 55,708.32 is: 76,858.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,956.64 : 129,627.84 = 55,708.32 : x
  2. Step 2: Convert to fraction form
    93,956.64/129,627.84 = 55,708.32/x
  3. Step 3: Cross multiply
    93,956.64x = 129,627.84 × 55,708.32
  4. Step 4: Simplify right side
    93,956.64x = 7,221,349,191.63
  5. Step 5: Solve for x
    x = 7,221,349,191.63/93,956.64
  6. Step 6: Final answer
    x = 76,858.32

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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.