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Finding the Fourth Proportional to 118,897.52, 164,077.99 and 64,449.49

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Solution

The fourth proportional to 118,897.52, 164,077.99 and 64,449.49 is: 88,939.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,897.52 : 164,077.99 = 64,449.49 : x
  2. Step 2: Convert to fraction form
    118,897.52/164,077.99 = 64,449.49/x
  3. Step 3: Cross multiply
    118,897.52x = 164,077.99 × 64,449.49
  4. Step 4: Simplify right side
    118,897.52x = 10,574,742,512.05
  5. Step 5: Solve for x
    x = 10,574,742,512.05/118,897.52
  6. Step 6: Final answer
    x = 88,939.98

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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.