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Finding the Fourth Proportional to 208,337.64, 287,506.42 and 112,844.04

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Solution

The fourth proportional to 208,337.64, 287,506.42 and 112,844.04 is: 155,725.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,337.64 : 287,506.42 = 112,844.04 : x
  2. Step 2: Convert to fraction form
    208,337.64/287,506.42 = 112,844.04/x
  3. Step 3: Cross multiply
    208,337.64x = 287,506.42 × 112,844.04
  4. Step 4: Simplify right side
    208,337.64x = 32,443,385,958.74
  5. Step 5: Solve for x
    x = 32,443,385,958.74/208,337.64
  6. Step 6: Final answer
    x = 155,725.03

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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.