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Finding the Fourth Proportional to 118,159.38, 163,054.80 and 64,444.68

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Solution

The fourth proportional to 118,159.38, 163,054.80 and 64,444.68 is: 88,930.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,159.38 : 163,054.80 = 64,444.68 : x
  2. Step 2: Convert to fraction form
    118,159.38/163,054.80 = 64,444.68/x
  3. Step 3: Cross multiply
    118,159.38x = 163,054.80 × 64,444.68
  4. Step 4: Simplify right side
    118,159.38x = 10,508,014,408.46
  5. Step 5: Solve for x
    x = 10,508,014,408.46/118,159.38
  6. Step 6: Final answer
    x = 88,930.85

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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.