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Finding the Fourth Proportional to 236,600.64, 354,964.80 and 103,492.80

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Solution

The fourth proportional to 236,600.64, 354,964.80 and 103,492.80 is: 155,267.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,600.64 : 354,964.80 = 103,492.80 : x
  2. Step 2: Convert to fraction form
    236,600.64/354,964.80 = 103,492.80/x
  3. Step 3: Cross multiply
    236,600.64x = 354,964.80 × 103,492.80
  4. Step 4: Simplify right side
    236,600.64x = 36,736,301,053.44
  5. Step 5: Solve for x
    x = 36,736,301,053.44/236,600.64
  6. Step 6: Final answer
    x = 155,267.12

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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.