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Finding the Fourth Proportional to 109,101.63, 163,600.74 and 37,999.47

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Solution

The fourth proportional to 109,101.63, 163,600.74 and 37,999.47 is: 56,981.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,101.63 : 163,600.74 = 37,999.47 : x
  2. Step 2: Convert to fraction form
    109,101.63/163,600.74 = 37,999.47/x
  3. Step 3: Cross multiply
    109,101.63x = 163,600.74 × 37,999.47
  4. Step 4: Simplify right side
    109,101.63x = 6,216,741,411.61
  5. Step 5: Solve for x
    x = 6,216,741,411.61/109,101.63
  6. Step 6: Final answer
    x = 56,981.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.