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Finding the Fourth Proportional to 84,823.60, 127,235.40 and 73,548.40

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Solution

The fourth proportional to 84,823.60, 127,235.40 and 73,548.40 is: 110,322.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,823.60 : 127,235.40 = 73,548.40 : x
  2. Step 2: Convert to fraction form
    84,823.60/127,235.40 = 73,548.40/x
  3. Step 3: Cross multiply
    84,823.60x = 127,235.40 × 73,548.40
  4. Step 4: Simplify right side
    84,823.60x = 9,357,960,093.36
  5. Step 5: Solve for x
    x = 9,357,960,093.36/84,823.60
  6. Step 6: Final answer
    x = 110,322.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.