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Finding the Fourth Proportional to 208,049.04, 287,146.52 and 118,625.04

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Solution

The fourth proportional to 208,049.04, 287,146.52 and 118,625.04 is: 163,724.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,049.04 : 287,146.52 = 118,625.04 : x
  2. Step 2: Convert to fraction form
    208,049.04/287,146.52 = 118,625.04/x
  3. Step 3: Cross multiply
    208,049.04x = 287,146.52 × 118,625.04
  4. Step 4: Simplify right side
    208,049.04x = 34,062,767,420.86
  5. Step 5: Solve for x
    x = 34,062,767,420.86/208,049.04
  6. Step 6: Final answer
    x = 163,724.70

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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.