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Finding the Fourth Proportional to 118,856.32, 163,927.22 and 101,010.40

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Solution

The fourth proportional to 118,856.32, 163,927.22 and 101,010.40 is: 139,314.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,856.32 : 163,927.22 = 101,010.40 : x
  2. Step 2: Convert to fraction form
    118,856.32/163,927.22 = 101,010.40/x
  3. Step 3: Cross multiply
    118,856.32x = 163,927.22 × 101,010.40
  4. Step 4: Simplify right side
    118,856.32x = 16,558,354,063.09
  5. Step 5: Solve for x
    x = 16,558,354,063.09/118,856.32
  6. Step 6: Final answer
    x = 139,314.04

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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.