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Finding the Fourth Proportional to 127,858.58, 176,446.22 and 70,498.01

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Solution

The fourth proportional to 127,858.58, 176,446.22 and 70,498.01 is: 97,288.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,858.58 : 176,446.22 = 70,498.01 : x
  2. Step 2: Convert to fraction form
    127,858.58/176,446.22 = 70,498.01/x
  3. Step 3: Cross multiply
    127,858.58x = 176,446.22 × 70,498.01
  4. Step 4: Simplify right side
    127,858.58x = 12,439,107,382.02
  5. Step 5: Solve for x
    x = 12,439,107,382.02/127,858.58
  6. Step 6: Final answer
    x = 97,288.01

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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.