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Finding the Fourth Proportional to 118,534.34, 163,592.67 and 67,565.66

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Solution

The fourth proportional to 118,534.34, 163,592.67 and 67,565.66 is: 93,249.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,534.34 : 163,592.67 = 67,565.66 : x
  2. Step 2: Convert to fraction form
    118,534.34/163,592.67 = 67,565.66/x
  3. Step 3: Cross multiply
    118,534.34x = 163,592.67 × 67,565.66
  4. Step 4: Simplify right side
    118,534.34x = 11,053,246,719.71
  5. Step 5: Solve for x
    x = 11,053,246,719.71/118,534.34
  6. Step 6: Final answer
    x = 93,249.32

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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.