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Finding the Fourth Proportional to 235,636.02, 325,184.67 and 128,213.01

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Solution

The fourth proportional to 235,636.02, 325,184.67 and 128,213.01 is: 176,937.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,636.02 : 325,184.67 = 128,213.01 : x
  2. Step 2: Convert to fraction form
    235,636.02/325,184.67 = 128,213.01/x
  3. Step 3: Cross multiply
    235,636.02x = 325,184.67 × 128,213.01
  4. Step 4: Simplify right side
    235,636.02x = 41,692,905,346.56
  5. Step 5: Solve for x
    x = 41,692,905,346.56/235,636.02
  6. Step 6: Final answer
    x = 176,937.74

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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.