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Finding the Fourth Proportional to 118,552.32, 163,602.32 and 64,837.17

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Solution

The fourth proportional to 118,552.32, 163,602.32 and 64,837.17 is: 89,475.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,552.32 : 163,602.32 = 64,837.17 : x
  2. Step 2: Convert to fraction form
    118,552.32/163,602.32 = 64,837.17/x
  3. Step 3: Cross multiply
    118,552.32x = 163,602.32 × 64,837.17
  4. Step 4: Simplify right side
    118,552.32x = 10,607,511,110.05
  5. Step 5: Solve for x
    x = 10,607,511,110.05/118,552.32
  6. Step 6: Final answer
    x = 89,475.36

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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.