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Finding the Fourth Proportional to 118,590.58, 163,658.88 and 67,602.39

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Solution

The fourth proportional to 118,590.58, 163,658.88 and 67,602.39 is: 93,293.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,590.58 : 163,658.88 = 67,602.39 : x
  2. Step 2: Convert to fraction form
    118,590.58/163,658.88 = 67,602.39/x
  3. Step 3: Cross multiply
    118,590.58x = 163,658.88 × 67,602.39
  4. Step 4: Simplify right side
    118,590.58x = 11,063,731,432.72
  5. Step 5: Solve for x
    x = 11,063,731,432.72/118,590.58
  6. Step 6: Final answer
    x = 93,293.51

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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.