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Finding the Fourth Proportional to 118,151.84, 163,047.57 and 64,433.65

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Solution

The fourth proportional to 118,151.84, 163,047.57 and 64,433.65 is: 88,917.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,151.84 : 163,047.57 = 64,433.65 : x
  2. Step 2: Convert to fraction form
    118,151.84/163,047.57 = 64,433.65/x
  3. Step 3: Cross multiply
    118,151.84x = 163,047.57 × 64,433.65
  4. Step 4: Simplify right side
    118,151.84x = 10,505,750,445.60
  5. Step 5: Solve for x
    x = 10,505,750,445.60/118,151.84
  6. Step 6: Final answer
    x = 88,917.37

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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.