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Finding the Fourth Proportional to 163,093.32, 224,860.42 and 105,631.24

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Solution

The fourth proportional to 163,093.32, 224,860.42 and 105,631.24 is: 145,636.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,093.32 : 224,860.42 = 105,631.24 : x
  2. Step 2: Convert to fraction form
    163,093.32/224,860.42 = 105,631.24/x
  3. Step 3: Cross multiply
    163,093.32x = 224,860.42 × 105,631.24
  4. Step 4: Simplify right side
    163,093.32x = 23,752,284,991.52
  5. Step 5: Solve for x
    x = 23,752,284,991.52/163,093.32
  6. Step 6: Final answer
    x = 145,636.16

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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.