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Finding the Fourth Proportional to 118,316.44, 163,291.01 and 67,341.57

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Solution

The fourth proportional to 118,316.44, 163,291.01 and 67,341.57 is: 92,939.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,316.44 : 163,291.01 = 67,341.57 : x
  2. Step 2: Convert to fraction form
    118,316.44/163,291.01 = 67,341.57/x
  3. Step 3: Cross multiply
    118,316.44x = 163,291.01 × 67,341.57
  4. Step 4: Simplify right side
    118,316.44x = 10,996,272,980.29
  5. Step 5: Solve for x
    x = 10,996,272,980.29/118,316.44
  6. Step 6: Final answer
    x = 92,939.52

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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.