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Finding the Fourth Proportional to 85,444.48, 128,166.72 and 32,844.16

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Solution

The fourth proportional to 85,444.48, 128,166.72 and 32,844.16 is: 49,266.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,444.48 : 128,166.72 = 32,844.16 : x
  2. Step 2: Convert to fraction form
    85,444.48/128,166.72 = 32,844.16/x
  3. Step 3: Cross multiply
    85,444.48x = 128,166.72 × 32,844.16
  4. Step 4: Simplify right side
    85,444.48x = 4,209,528,258.36
  5. Step 5: Solve for x
    x = 4,209,528,258.36/85,444.48
  6. Step 6: Final answer
    x = 49,266.24

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Similar ratio
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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.