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Finding the Fourth Proportional to 118,253.52, 163,187.46 and 64,538.37

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Solution

The fourth proportional to 118,253.52, 163,187.46 and 64,538.37 is: 89,061.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,253.52 : 163,187.46 = 64,538.37 : x
  2. Step 2: Convert to fraction form
    118,253.52/163,187.46 = 64,538.37/x
  3. Step 3: Cross multiply
    118,253.52x = 163,187.46 × 64,538.37
  4. Step 4: Simplify right side
    118,253.52x = 10,531,852,672.84
  5. Step 5: Solve for x
    x = 10,531,852,672.84/118,253.52
  6. Step 6: Final answer
    x = 89,061.64

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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.