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Finding the Fourth Proportional to 127,597.64, 176,077.24 and 73,878.84

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Solution

The fourth proportional to 127,597.64, 176,077.24 and 73,878.84 is: 101,948.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,597.64 : 176,077.24 = 73,878.84 : x
  2. Step 2: Convert to fraction form
    127,597.64/176,077.24 = 73,878.84/x
  3. Step 3: Cross multiply
    127,597.64x = 176,077.24 × 73,878.84
  4. Step 4: Simplify right side
    127,597.64x = 13,008,382,241.60
  5. Step 5: Solve for x
    x = 13,008,382,241.60/127,597.64
  6. Step 6: Final answer
    x = 101,948.45

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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.