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Finding the Fourth Proportional to 118,347.69, 163,322.69 and 64,632.27

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Solution

The fourth proportional to 118,347.69, 163,322.69 and 64,632.27 is: 89,194.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,347.69 : 163,322.69 = 64,632.27 : x
  2. Step 2: Convert to fraction form
    118,347.69/163,322.69 = 64,632.27/x
  3. Step 3: Cross multiply
    118,347.69x = 163,322.69 × 64,632.27
  4. Step 4: Simplify right side
    118,347.69x = 10,555,916,197.21
  5. Step 5: Solve for x
    x = 10,555,916,197.21/118,347.69
  6. Step 6: Final answer
    x = 89,194.10

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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.