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Finding the Fourth Proportional to 208,293.44, 287,444.37 and 112,800.11

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Solution

The fourth proportional to 208,293.44, 287,444.37 and 112,800.11 is: 155,663.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,293.44 : 287,444.37 = 112,800.11 : x
  2. Step 2: Convert to fraction form
    208,293.44/287,444.37 = 112,800.11/x
  3. Step 3: Cross multiply
    208,293.44x = 287,444.37 × 112,800.11
  4. Step 4: Simplify right side
    208,293.44x = 32,423,756,554.88
  5. Step 5: Solve for x
    x = 32,423,756,554.88/208,293.44
  6. Step 6: Final answer
    x = 155,663.84

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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.